Home / 947,127.15-1,421,251.20-348,508.65

Finding the Fourth Proportional to 947,127.15, 1,421,251.20 and 348,508.65

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Solution

The fourth proportional to 947,127.15, 1,421,251.20 and 348,508.65 is: 522,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,127.15 : 1,421,251.20 = 348,508.65 : x
  2. Step 2: Convert to fraction form
    947,127.15/1,421,251.20 = 348,508.65/x
  3. Step 3: Cross multiply
    947,127.15x = 1,421,251.20 × 348,508.65
  4. Step 4: Simplify right side
    947,127.15x = 495,318,337,022.88
  5. Step 5: Solve for x
    x = 495,318,337,022.88/947,127.15
  6. Step 6: Final answer
    x = 522,969.21

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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.