Home / 723,033.20-1,084,553.65-217,590.72

Finding the Fourth Proportional to 723,033.20, 1,084,553.65 and 217,590.72

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Solution

The fourth proportional to 723,033.20, 1,084,553.65 and 217,590.72 is: 326,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,033.20 : 1,084,553.65 = 217,590.72 : x
  2. Step 2: Convert to fraction form
    723,033.20/1,084,553.65 = 217,590.72/x
  3. Step 3: Cross multiply
    723,033.20x = 1,084,553.65 × 217,590.72
  4. Step 4: Simplify right side
    723,033.20x = 235,988,803,615.38
  5. Step 5: Solve for x
    x = 235,988,803,615.38/723,033.20
  6. Step 6: Final answer
    x = 326,387.23

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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.