Home / 762,732.05-1,143,228.13-357,500.39

Finding the Fourth Proportional to 762,732.05, 1,143,228.13 and 357,500.39

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Solution

The fourth proportional to 762,732.05, 1,143,228.13 and 357,500.39 is: 535,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,732.05 : 1,143,228.13 = 357,500.39 : x
  2. Step 2: Convert to fraction form
    762,732.05/1,143,228.13 = 357,500.39/x
  3. Step 3: Cross multiply
    762,732.05x = 1,143,228.13 × 357,500.39
  4. Step 4: Simplify right side
    762,732.05x = 408,704,495,724.08
  5. Step 5: Solve for x
    x = 408,704,495,724.08/762,732.05
  6. Step 6: Final answer
    x = 535,842.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.