Home / 728,436.32-1,092,814.96-223,001.12

Finding the Fourth Proportional to 728,436.32, 1,092,814.96 and 223,001.12

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Solution

The fourth proportional to 728,436.32, 1,092,814.96 and 223,001.12 is: 334,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,436.32 : 1,092,814.96 = 223,001.12 : x
  2. Step 2: Convert to fraction form
    728,436.32/1,092,814.96 = 223,001.12/x
  3. Step 3: Cross multiply
    728,436.32x = 1,092,814.96 × 223,001.12
  4. Step 4: Simplify right side
    728,436.32x = 243,698,960,032.76
  5. Step 5: Solve for x
    x = 243,698,960,032.76/728,436.32
  6. Step 6: Final answer
    x = 334,550.81

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Double scale
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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.