Home / 669,543.60-1,004,370.03-314,363.88

Finding the Fourth Proportional to 669,543.60, 1,004,370.03 and 314,363.88

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Solution

The fourth proportional to 669,543.60, 1,004,370.03 and 314,363.88 is: 471,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,543.60 : 1,004,370.03 = 314,363.88 : x
  2. Step 2: Convert to fraction form
    669,543.60/1,004,370.03 = 314,363.88/x
  3. Step 3: Cross multiply
    669,543.60x = 1,004,370.03 × 314,363.88
  4. Step 4: Simplify right side
    669,543.60x = 315,737,659,586.52
  5. Step 5: Solve for x
    x = 315,737,659,586.52/669,543.60
  6. Step 6: Final answer
    x = 471,571.47

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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.