Home / 497,730.60-748,439.10-416,629.80

Finding the Fourth Proportional to 497,730.60, 748,439.10 and 416,629.80

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Solution

The fourth proportional to 497,730.60, 748,439.10 and 416,629.80 is: 626,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,730.60 : 748,439.10 = 416,629.80 : x
  2. Step 2: Convert to fraction form
    497,730.60/748,439.10 = 416,629.80/x
  3. Step 3: Cross multiply
    497,730.60x = 748,439.10 × 416,629.80
  4. Step 4: Simplify right side
    497,730.60x = 311,822,032,545.18
  5. Step 5: Solve for x
    x = 311,822,032,545.18/497,730.60
  6. Step 6: Final answer
    x = 626,487.57

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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.