Home / 851,182.38-1,174,618.98-469,200.96

Finding the Fourth Proportional to 851,182.38, 1,174,618.98 and 469,200.96

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Solution

The fourth proportional to 851,182.38, 1,174,618.98 and 469,200.96 is: 647,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,182.38 : 1,174,618.98 = 469,200.96 : x
  2. Step 2: Convert to fraction form
    851,182.38/1,174,618.98 = 469,200.96/x
  3. Step 3: Cross multiply
    851,182.38x = 1,174,618.98 × 469,200.96
  4. Step 4: Simplify right side
    851,182.38x = 551,132,353,050.22
  5. Step 5: Solve for x
    x = 551,132,353,050.22/851,182.38
  6. Step 6: Final answer
    x = 647,490.32

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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.