Home / 889,488.40-1,334,232.60-440,424.40

Finding the Fourth Proportional to 889,488.40, 1,334,232.60 and 440,424.40

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Solution

The fourth proportional to 889,488.40, 1,334,232.60 and 440,424.40 is: 660,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,488.40 : 1,334,232.60 = 440,424.40 : x
  2. Step 2: Convert to fraction form
    889,488.40/1,334,232.60 = 440,424.40/x
  3. Step 3: Cross multiply
    889,488.40x = 1,334,232.60 × 440,424.40
  4. Step 4: Simplify right side
    889,488.40x = 587,628,592,315.44
  5. Step 5: Solve for x
    x = 587,628,592,315.44/889,488.40
  6. Step 6: Final answer
    x = 660,636.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.