Home / 558,902.43-835,778.45-415,079.84

Finding the Fourth Proportional to 558,902.43, 835,778.45 and 415,079.84

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Solution

The fourth proportional to 558,902.43, 835,778.45 and 415,079.84 is: 620,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,902.43 : 835,778.45 = 415,079.84 : x
  2. Step 2: Convert to fraction form
    558,902.43/835,778.45 = 415,079.84/x
  3. Step 3: Cross multiply
    558,902.43x = 835,778.45 × 415,079.84
  4. Step 4: Simplify right side
    558,902.43x = 346,914,788,428.59
  5. Step 5: Solve for x
    x = 346,914,788,428.59/558,902.43
  6. Step 6: Final answer
    x = 620,707.25

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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.