Home / 807,417.38-1,211,383.28-238,801.97

Finding the Fourth Proportional to 807,417.38, 1,211,383.28 and 238,801.97

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Solution

The fourth proportional to 807,417.38, 1,211,383.28 and 238,801.97 is: 358,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417.38 : 1,211,383.28 = 238,801.97 : x
  2. Step 2: Convert to fraction form
    807,417.38/1,211,383.28 = 238,801.97/x
  3. Step 3: Cross multiply
    807,417.38x = 1,211,383.28 × 238,801.97
  4. Step 4: Simplify right side
    807,417.38x = 289,280,717,314.53
  5. Step 5: Solve for x
    x = 289,280,717,314.53/807,417.38
  6. Step 6: Final answer
    x = 358,279.03

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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.