Home / 842,781.31-1,163,152.15-475,333.94

Finding the Fourth Proportional to 842,781.31, 1,163,152.15 and 475,333.94

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Solution

The fourth proportional to 842,781.31, 1,163,152.15 and 475,333.94 is: 656,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,781.31 : 1,163,152.15 = 475,333.94 : x
  2. Step 2: Convert to fraction form
    842,781.31/1,163,152.15 = 475,333.94/x
  3. Step 3: Cross multiply
    842,781.31x = 1,163,152.15 × 475,333.94
  4. Step 4: Simplify right side
    842,781.31x = 552,885,695,998.52
  5. Step 5: Solve for x
    x = 552,885,695,998.52/842,781.31
  6. Step 6: Final answer
    x = 656,025.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.