Home / 762,691.05-1,052,510.72-418,532.76

Finding the Fourth Proportional to 762,691.05, 1,052,510.72 and 418,532.76

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Solution

The fourth proportional to 762,691.05, 1,052,510.72 and 418,532.76 is: 577,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,691.05 : 1,052,510.72 = 418,532.76 : x
  2. Step 2: Convert to fraction form
    762,691.05/1,052,510.72 = 418,532.76/x
  3. Step 3: Cross multiply
    762,691.05x = 1,052,510.72 × 418,532.76
  4. Step 4: Simplify right side
    762,691.05x = 440,510,214,478.52
  5. Step 5: Solve for x
    x = 440,510,214,478.52/762,691.05
  6. Step 6: Final answer
    x = 577,573.60

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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.