Home / 558,948.69-771,344.33-304,299.27

Finding the Fourth Proportional to 558,948.69, 771,344.33 and 304,299.27

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Solution

The fourth proportional to 558,948.69, 771,344.33 and 304,299.27 is: 419,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,948.69 : 771,344.33 = 304,299.27 : x
  2. Step 2: Convert to fraction form
    558,948.69/771,344.33 = 304,299.27/x
  3. Step 3: Cross multiply
    558,948.69x = 771,344.33 × 304,299.27
  4. Step 4: Simplify right side
    558,948.69x = 234,719,515,016.14
  5. Step 5: Solve for x
    x = 234,719,515,016.14/558,948.69
  6. Step 6: Final answer
    x = 419,930.34

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Double scale
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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.