Home / 747,606.64-1,031,711.16-408,087.04

Finding the Fourth Proportional to 747,606.64, 1,031,711.16 and 408,087.04

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Solution

The fourth proportional to 747,606.64, 1,031,711.16 and 408,087.04 is: 563,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,606.64 : 1,031,711.16 = 408,087.04 : x
  2. Step 2: Convert to fraction form
    747,606.64/1,031,711.16 = 408,087.04/x
  3. Step 3: Cross multiply
    747,606.64x = 1,031,711.16 × 408,087.04
  4. Step 4: Simplify right side
    747,606.64x = 421,027,953,419.37
  5. Step 5: Solve for x
    x = 421,027,953,419.37/747,606.64
  6. Step 6: Final answer
    x = 563,167.76

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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.