Home / 558,467.60-837,701.40-345,891.20

Finding the Fourth Proportional to 558,467.60, 837,701.40 and 345,891.20

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Solution

The fourth proportional to 558,467.60, 837,701.40 and 345,891.20 is: 518,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,467.60 : 837,701.40 = 345,891.20 : x
  2. Step 2: Convert to fraction form
    558,467.60/837,701.40 = 345,891.20/x
  3. Step 3: Cross multiply
    558,467.60x = 837,701.40 × 345,891.20
  4. Step 4: Simplify right side
    558,467.60x = 289,753,542,487.68
  5. Step 5: Solve for x
    x = 289,753,542,487.68/558,467.60
  6. Step 6: Final answer
    x = 518,836.80

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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.