Home / 947,113.76-1,421,231.12-348,495.28

Finding the Fourth Proportional to 947,113.76, 1,421,231.12 and 348,495.28

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Solution

The fourth proportional to 947,113.76, 1,421,231.12 and 348,495.28 is: 522,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,113.76 : 1,421,231.12 = 348,495.28 : x
  2. Step 2: Convert to fraction form
    947,113.76/1,421,231.12 = 348,495.28/x
  3. Step 3: Cross multiply
    947,113.76x = 1,421,231.12 × 348,495.28
  4. Step 4: Simplify right side
    947,113.76x = 495,292,337,109.11
  5. Step 5: Solve for x
    x = 495,292,337,109.11/947,113.76
  6. Step 6: Final answer
    x = 522,949.15

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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.