Home / 752,644.20-1,038,656.76-408,483.10

Finding the Fourth Proportional to 752,644.20, 1,038,656.76 and 408,483.10

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Solution

The fourth proportional to 752,644.20, 1,038,656.76 and 408,483.10 is: 563,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,644.20 : 1,038,656.76 = 408,483.10 : x
  2. Step 2: Convert to fraction form
    752,644.20/1,038,656.76 = 408,483.10/x
  3. Step 3: Cross multiply
    752,644.20x = 1,038,656.76 × 408,483.10
  4. Step 4: Simplify right side
    752,644.20x = 424,273,733,160.76
  5. Step 5: Solve for x
    x = 424,273,733,160.76/752,644.20
  6. Step 6: Final answer
    x = 563,710.89

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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.