Home / 747,065.43-1,030,948.16-407,531.25

Finding the Fourth Proportional to 747,065.43, 1,030,948.16 and 407,531.25

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Solution

The fourth proportional to 747,065.43, 1,030,948.16 and 407,531.25 is: 562,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,065.43 : 1,030,948.16 = 407,531.25 : x
  2. Step 2: Convert to fraction form
    747,065.43/1,030,948.16 = 407,531.25/x
  3. Step 3: Cross multiply
    747,065.43x = 1,030,948.16 × 407,531.25
  4. Step 4: Simplify right side
    747,065.43x = 420,143,590,292.34
  5. Step 5: Solve for x
    x = 420,143,590,292.34/747,065.43
  6. Step 6: Final answer
    x = 562,391.96

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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.