Home / 747,600.35-1,031,652.20-408,048.35

Finding the Fourth Proportional to 747,600.35, 1,031,652.20 and 408,048.35

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Solution

The fourth proportional to 747,600.35, 1,031,652.20 and 408,048.35 is: 563,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,600.35 : 1,031,652.20 = 408,048.35 : x
  2. Step 2: Convert to fraction form
    747,600.35/1,031,652.20 = 408,048.35/x
  3. Step 3: Cross multiply
    747,600.35x = 1,031,652.20 × 408,048.35
  4. Step 4: Simplify right side
    747,600.35x = 420,963,975,943.63
  5. Step 5: Solve for x
    x = 420,963,975,943.63/747,600.35
  6. Step 6: Final answer
    x = 563,086.92

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Double scale
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Similar ratio
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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.