Home / 459,968.20-689,903.76-123,042.85

Finding the Fourth Proportional to 459,968.20, 689,903.76 and 123,042.85

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Solution

The fourth proportional to 459,968.20, 689,903.76 and 123,042.85 is: 184,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,968.20 : 689,903.76 = 123,042.85 : x
  2. Step 2: Convert to fraction form
    459,968.20/689,903.76 = 123,042.85/x
  3. Step 3: Cross multiply
    459,968.20x = 689,903.76 × 123,042.85
  4. Step 4: Simplify right side
    459,968.20x = 84,887,724,856.12
  5. Step 5: Solve for x
    x = 84,887,724,856.12/459,968.20
  6. Step 6: Final answer
    x = 184,551.29

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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.