Home / 747,328.86-1,031,304.15-407,791.26

Finding the Fourth Proportional to 747,328.86, 1,031,304.15 and 407,791.26

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Solution

The fourth proportional to 747,328.86, 1,031,304.15 and 407,791.26 is: 562,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,328.86 : 1,031,304.15 = 407,791.26 : x
  2. Step 2: Convert to fraction form
    747,328.86/1,031,304.15 = 407,791.26/x
  3. Step 3: Cross multiply
    747,328.86x = 1,031,304.15 × 407,791.26
  4. Step 4: Simplify right side
    747,328.86x = 420,556,818,771.73
  5. Step 5: Solve for x
    x = 420,556,818,771.73/747,328.86
  6. Step 6: Final answer
    x = 562,746.66

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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.