Home / 747,563.76-1,031,634.36-408,031.20

Finding the Fourth Proportional to 747,563.76, 1,031,634.36 and 408,031.20

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Solution

The fourth proportional to 747,563.76, 1,031,634.36 and 408,031.20 is: 563,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,563.76 : 1,031,634.36 = 408,031.20 : x
  2. Step 2: Convert to fraction form
    747,563.76/1,031,634.36 = 408,031.20/x
  3. Step 3: Cross multiply
    747,563.76x = 1,031,634.36 × 408,031.20
  4. Step 4: Simplify right side
    747,563.76x = 420,939,005,872.03
  5. Step 5: Solve for x
    x = 420,939,005,872.03/747,563.76
  6. Step 6: Final answer
    x = 563,081.08

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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.