Home / 747,762.88-1,031,873.72-408,165.52

Finding the Fourth Proportional to 747,762.88, 1,031,873.72 and 408,165.52

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Solution

The fourth proportional to 747,762.88, 1,031,873.72 and 408,165.52 is: 563,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,762.88 : 1,031,873.72 = 408,165.52 : x
  2. Step 2: Convert to fraction form
    747,762.88/1,031,873.72 = 408,165.52/x
  3. Step 3: Cross multiply
    747,762.88x = 1,031,873.72 × 408,165.52
  4. Step 4: Simplify right side
    747,762.88x = 421,175,273,498.13
  5. Step 5: Solve for x
    x = 421,175,273,498.13/747,762.88
  6. Step 6: Final answer
    x = 563,247.10

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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.