Home / 558,298.72-837,531.11-258,809.59

Finding the Fourth Proportional to 558,298.72, 837,531.11 and 258,809.59

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Solution

The fourth proportional to 558,298.72, 837,531.11 and 258,809.59 is: 388,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,298.72 : 837,531.11 = 258,809.59 : x
  2. Step 2: Convert to fraction form
    558,298.72/837,531.11 = 258,809.59/x
  3. Step 3: Cross multiply
    558,298.72x = 837,531.11 × 258,809.59
  4. Step 4: Simplify right side
    558,298.72x = 216,761,079,803.47
  5. Step 5: Solve for x
    x = 216,761,079,803.47/558,298.72
  6. Step 6: Final answer
    x = 388,252.87

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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.