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Finding the Fourth Proportional to 522,484.38, 721,036.71 and 293,092.65

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Solution

The fourth proportional to 522,484.38, 721,036.71 and 293,092.65 is: 404,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,484.38 : 721,036.71 = 293,092.65 : x
  2. Step 2: Convert to fraction form
    522,484.38/721,036.71 = 293,092.65/x
  3. Step 3: Cross multiply
    522,484.38x = 721,036.71 × 293,092.65
  4. Step 4: Simplify right side
    522,484.38x = 211,330,560,081.18
  5. Step 5: Solve for x
    x = 211,330,560,081.18/522,484.38
  6. Step 6: Final answer
    x = 404,472.49

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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.