Home / 890,241.03-1,228,530.96-482,353.20

Finding the Fourth Proportional to 890,241.03, 1,228,530.96 and 482,353.20

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Solution

The fourth proportional to 890,241.03, 1,228,530.96 and 482,353.20 is: 665,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,241.03 : 1,228,530.96 = 482,353.20 : x
  2. Step 2: Convert to fraction form
    890,241.03/1,228,530.96 = 482,353.20/x
  3. Step 3: Cross multiply
    890,241.03x = 1,228,530.96 × 482,353.20
  4. Step 4: Simplify right side
    890,241.03x = 592,585,839,855.07
  5. Step 5: Solve for x
    x = 592,585,839,855.07/890,241.03
  6. Step 6: Final answer
    x = 665,646.52

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Half scale
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Double scale
Find fourth proportional to 890,242.03, 1,228,532.34 and 482,354.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.