Home / 721,877.18-1,082,442.00-384,827.30

Finding the Fourth Proportional to 721,877.18, 1,082,442.00 and 384,827.30

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Solution

The fourth proportional to 721,877.18, 1,082,442.00 and 384,827.30 is: 577,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,877.18 : 1,082,442.00 = 384,827.30 : x
  2. Step 2: Convert to fraction form
    721,877.18/1,082,442.00 = 384,827.30/x
  3. Step 3: Cross multiply
    721,877.18x = 1,082,442.00 × 384,827.30
  4. Step 4: Simplify right side
    721,877.18x = 416,553,236,280.73
  5. Step 5: Solve for x
    x = 416,553,236,280.73/721,877.18
  6. Step 6: Final answer
    x = 577,041.70

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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.