Home / 752,841.27-1,038,907.89-413,307.09

Finding the Fourth Proportional to 752,841.27, 1,038,907.89 and 413,307.09

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Solution

The fourth proportional to 752,841.27, 1,038,907.89 and 413,307.09 is: 570,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,841.27 : 1,038,907.89 = 413,307.09 : x
  2. Step 2: Convert to fraction form
    752,841.27/1,038,907.89 = 413,307.09/x
  3. Step 3: Cross multiply
    752,841.27x = 1,038,907.89 × 413,307.09
  4. Step 4: Simplify right side
    752,841.27x = 429,387,996,793.94
  5. Step 5: Solve for x
    x = 429,387,996,793.94/752,841.27
  6. Step 6: Final answer
    x = 570,356.61

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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.