Home / 558,991.68-771,341.76-329,375.04

Finding the Fourth Proportional to 558,991.68, 771,341.76 and 329,375.04

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Solution

The fourth proportional to 558,991.68, 771,341.76 and 329,375.04 is: 454,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,991.68 : 771,341.76 = 329,375.04 : x
  2. Step 2: Convert to fraction form
    558,991.68/771,341.76 = 329,375.04/x
  3. Step 3: Cross multiply
    558,991.68x = 771,341.76 × 329,375.04
  4. Step 4: Simplify right side
    558,991.68x = 254,060,723,053.67
  5. Step 5: Solve for x
    x = 254,060,723,053.67/558,991.68
  6. Step 6: Final answer
    x = 454,498.22

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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.