Home / 851,304.75-1,174,808.52-469,345.20

Finding the Fourth Proportional to 851,304.75, 1,174,808.52 and 469,345.20

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Solution

The fourth proportional to 851,304.75, 1,174,808.52 and 469,345.20 is: 647,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,304.75 : 1,174,808.52 = 469,345.20 : x
  2. Step 2: Convert to fraction form
    851,304.75/1,174,808.52 = 469,345.20/x
  3. Step 3: Cross multiply
    851,304.75x = 1,174,808.52 × 469,345.20
  4. Step 4: Simplify right side
    851,304.75x = 551,390,739,781.10
  5. Step 5: Solve for x
    x = 551,390,739,781.10/851,304.75
  6. Step 6: Final answer
    x = 647,700.77

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Double scale
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1.5x scale

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.