Home / 912,352.84-1,259,015.04-498,899.20

Finding the Fourth Proportional to 912,352.84, 1,259,015.04 and 498,899.20

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Solution

The fourth proportional to 912,352.84, 1,259,015.04 and 498,899.20 is: 688,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,352.84 : 1,259,015.04 = 498,899.20 : x
  2. Step 2: Convert to fraction form
    912,352.84/1,259,015.04 = 498,899.20/x
  3. Step 3: Cross multiply
    912,352.84x = 1,259,015.04 × 498,899.20
  4. Step 4: Simplify right side
    912,352.84x = 628,121,596,243.97
  5. Step 5: Solve for x
    x = 628,121,596,243.97/912,352.84
  6. Step 6: Final answer
    x = 688,463.46

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Double scale
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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.