Home / 851,177.80-1,174,624.92-469,210.96

Finding the Fourth Proportional to 851,177.80, 1,174,624.92 and 469,210.96

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Solution

The fourth proportional to 851,177.80, 1,174,624.92 and 469,210.96 is: 647,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,177.80 : 1,174,624.92 = 469,210.96 : x
  2. Step 2: Convert to fraction form
    851,177.80/1,174,624.92 = 469,210.96/x
  3. Step 3: Cross multiply
    851,177.80x = 1,174,624.92 × 469,210.96
  4. Step 4: Simplify right side
    851,177.80x = 551,146,886,353.12
  5. Step 5: Solve for x
    x = 551,146,886,353.12/851,177.80
  6. Step 6: Final answer
    x = 647,510.88

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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.