Home / 851,225.76-1,174,645.80-469,177.92

Finding the Fourth Proportional to 851,225.76, 1,174,645.80 and 469,177.92

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Solution

The fourth proportional to 851,225.76, 1,174,645.80 and 469,177.92 is: 647,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,225.76 : 1,174,645.80 = 469,177.92 : x
  2. Step 2: Convert to fraction form
    851,225.76/1,174,645.80 = 469,177.92/x
  3. Step 3: Cross multiply
    851,225.76x = 1,174,645.80 × 469,177.92
  4. Step 4: Simplify right side
    851,225.76x = 551,117,873,180.74
  5. Step 5: Solve for x
    x = 551,117,873,180.74/851,225.76
  6. Step 6: Final answer
    x = 647,440.31

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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.