Home / 558,977.40-838,466.10-322,125.30

Finding the Fourth Proportional to 558,977.40, 838,466.10 and 322,125.30

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Solution

The fourth proportional to 558,977.40, 838,466.10 and 322,125.30 is: 483,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,977.40 : 838,466.10 = 322,125.30 : x
  2. Step 2: Convert to fraction form
    558,977.40/838,466.10 = 322,125.30/x
  3. Step 3: Cross multiply
    558,977.40x = 838,466.10 × 322,125.30
  4. Step 4: Simplify right side
    558,977.40x = 270,091,144,002.33
  5. Step 5: Solve for x
    x = 270,091,144,002.33/558,977.40
  6. Step 6: Final answer
    x = 483,187.95

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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.