Home / 747,304.86-1,031,305.59-407,791.74

Finding the Fourth Proportional to 747,304.86, 1,031,305.59 and 407,791.74

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Solution

The fourth proportional to 747,304.86, 1,031,305.59 and 407,791.74 is: 562,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,304.86 : 1,031,305.59 = 407,791.74 : x
  2. Step 2: Convert to fraction form
    747,304.86/1,031,305.59 = 407,791.74/x
  3. Step 3: Cross multiply
    747,304.86x = 1,031,305.59 × 407,791.74
  4. Step 4: Simplify right side
    747,304.86x = 420,557,901,017.83
  5. Step 5: Solve for x
    x = 420,557,901,017.83/747,304.86
  6. Step 6: Final answer
    x = 562,766.18

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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.