Home / 558,387.80-835,468.07-330,805.59

Finding the Fourth Proportional to 558,387.80, 835,468.07 and 330,805.59

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Solution

The fourth proportional to 558,387.80, 835,468.07 and 330,805.59 is: 494,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,387.80 : 835,468.07 = 330,805.59 : x
  2. Step 2: Convert to fraction form
    558,387.80/835,468.07 = 330,805.59/x
  3. Step 3: Cross multiply
    558,387.80x = 835,468.07 × 330,805.59
  4. Step 4: Simplify right side
    558,387.80x = 276,377,506,168.48
  5. Step 5: Solve for x
    x = 276,377,506,168.48/558,387.80
  6. Step 6: Final answer
    x = 494,956.21

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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.