Home / 769,745.10-1,156,000.05-559,620.30

Finding the Fourth Proportional to 769,745.10, 1,156,000.05 and 559,620.30

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Solution

The fourth proportional to 769,745.10, 1,156,000.05 and 559,620.30 is: 840,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,745.10 : 1,156,000.05 = 559,620.30 : x
  2. Step 2: Convert to fraction form
    769,745.10/1,156,000.05 = 559,620.30/x
  3. Step 3: Cross multiply
    769,745.10x = 1,156,000.05 × 559,620.30
  4. Step 4: Simplify right side
    769,745.10x = 646,921,094,781.02
  5. Step 5: Solve for x
    x = 646,921,094,781.02/769,745.10
  6. Step 6: Final answer
    x = 840,435.48

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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.