Home / 747,359.31-1,031,377.64-407,849.43

Finding the Fourth Proportional to 747,359.31, 1,031,377.64 and 407,849.43

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Solution

The fourth proportional to 747,359.31, 1,031,377.64 and 407,849.43 is: 562,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,359.31 : 1,031,377.64 = 407,849.43 : x
  2. Step 2: Convert to fraction form
    747,359.31/1,031,377.64 = 407,849.43/x
  3. Step 3: Cross multiply
    747,359.31x = 1,031,377.64 × 407,849.43
  4. Step 4: Simplify right side
    747,359.31x = 420,646,780,549.50
  5. Step 5: Solve for x
    x = 420,646,780,549.50/747,359.31
  6. Step 6: Final answer
    x = 562,844.10

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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.