Home / 558,712.38-771,008.30-304,058.10

Finding the Fourth Proportional to 558,712.38, 771,008.30 and 304,058.10

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Solution

The fourth proportional to 558,712.38, 771,008.30 and 304,058.10 is: 419,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,712.38 : 771,008.30 = 304,058.10 : x
  2. Step 2: Convert to fraction form
    558,712.38/771,008.30 = 304,058.10/x
  3. Step 3: Cross multiply
    558,712.38x = 771,008.30 × 304,058.10
  4. Step 4: Simplify right side
    558,712.38x = 234,431,318,782.23
  5. Step 5: Solve for x
    x = 234,431,318,782.23/558,712.38
  6. Step 6: Final answer
    x = 419,592.13

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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.