Home / 945,876.70-1,305,337.61-516,184.56

Finding the Fourth Proportional to 945,876.70, 1,305,337.61 and 516,184.56

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Solution

The fourth proportional to 945,876.70, 1,305,337.61 and 516,184.56 is: 712,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,876.70 : 1,305,337.61 = 516,184.56 : x
  2. Step 2: Convert to fraction form
    945,876.70/1,305,337.61 = 516,184.56/x
  3. Step 3: Cross multiply
    945,876.70x = 1,305,337.61 × 516,184.56
  4. Step 4: Simplify right side
    945,876.70x = 673,795,121,159.76
  5. Step 5: Solve for x
    x = 673,795,121,159.76/945,876.70
  6. Step 6: Final answer
    x = 712,349.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.