Home / 558,979.28-771,390.24-304,328.24

Finding the Fourth Proportional to 558,979.28, 771,390.24 and 304,328.24

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Solution

The fourth proportional to 558,979.28, 771,390.24 and 304,328.24 is: 419,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,979.28 : 771,390.24 = 304,328.24 : x
  2. Step 2: Convert to fraction form
    558,979.28/771,390.24 = 304,328.24/x
  3. Step 3: Cross multiply
    558,979.28x = 771,390.24 × 304,328.24
  4. Step 4: Simplify right side
    558,979.28x = 234,755,834,092.38
  5. Step 5: Solve for x
    x = 234,755,834,092.38/558,979.28
  6. Step 6: Final answer
    x = 419,972.34

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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.