Home / 459,964.20-689,897.77-123,038.85

Finding the Fourth Proportional to 459,964.20, 689,897.77 and 123,038.85

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Solution

The fourth proportional to 459,964.20, 689,897.77 and 123,038.85 is: 184,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,964.20 : 689,897.77 = 123,038.85 : x
  2. Step 2: Convert to fraction form
    459,964.20/689,897.77 = 123,038.85/x
  3. Step 3: Cross multiply
    459,964.20x = 689,897.77 × 123,038.85
  4. Step 4: Simplify right side
    459,964.20x = 84,884,230,517.88
  5. Step 5: Solve for x
    x = 84,884,230,517.88/459,964.20
  6. Step 6: Final answer
    x = 184,545.30

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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.