Home / 869,552.10-1,304,328.15-300,932.10

Finding the Fourth Proportional to 869,552.10, 1,304,328.15 and 300,932.10

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Solution

The fourth proportional to 869,552.10, 1,304,328.15 and 300,932.10 is: 451,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,552.10 : 1,304,328.15 = 300,932.10 : x
  2. Step 2: Convert to fraction form
    869,552.10/1,304,328.15 = 300,932.10/x
  3. Step 3: Cross multiply
    869,552.10x = 1,304,328.15 × 300,932.10
  4. Step 4: Simplify right side
    869,552.10x = 392,514,209,268.62
  5. Step 5: Solve for x
    x = 392,514,209,268.62/869,552.10
  6. Step 6: Final answer
    x = 451,398.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.