Home / 765,358.06-1,148,295.24-338,834.98

Finding the Fourth Proportional to 765,358.06, 1,148,295.24 and 338,834.98

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Solution

The fourth proportional to 765,358.06, 1,148,295.24 and 338,834.98 is: 508,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,358.06 : 1,148,295.24 = 338,834.98 : x
  2. Step 2: Convert to fraction form
    765,358.06/1,148,295.24 = 338,834.98/x
  3. Step 3: Cross multiply
    765,358.06x = 1,148,295.24 × 338,834.98
  4. Step 4: Simplify right side
    765,358.06x = 389,082,594,679.50
  5. Step 5: Solve for x
    x = 389,082,594,679.50/765,358.06
  6. Step 6: Final answer
    x = 508,366.76

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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.