Home / 926,358.60-1,389,935.28-358,138.80

Finding the Fourth Proportional to 926,358.60, 1,389,935.28 and 358,138.80

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Solution

The fourth proportional to 926,358.60, 1,389,935.28 and 358,138.80 is: 537,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,358.60 : 1,389,935.28 = 358,138.80 : x
  2. Step 2: Convert to fraction form
    926,358.60/1,389,935.28 = 358,138.80/x
  3. Step 3: Cross multiply
    926,358.60x = 1,389,935.28 × 358,138.80
  4. Step 4: Simplify right side
    926,358.60x = 497,789,753,256.86
  5. Step 5: Solve for x
    x = 497,789,753,256.86/926,358.60
  6. Step 6: Final answer
    x = 537,361.83

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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.