Home / 903,785.45-1,247,269.19-516,620.84

Finding the Fourth Proportional to 903,785.45, 1,247,269.19 and 516,620.84

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Solution

The fourth proportional to 903,785.45, 1,247,269.19 and 516,620.84 is: 712,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,785.45 : 1,247,269.19 = 516,620.84 : x
  2. Step 2: Convert to fraction form
    903,785.45/1,247,269.19 = 516,620.84/x
  3. Step 3: Cross multiply
    903,785.45x = 1,247,269.19 × 516,620.84
  4. Step 4: Simplify right side
    903,785.45x = 644,365,247,824.47
  5. Step 5: Solve for x
    x = 644,365,247,824.47/903,785.45
  6. Step 6: Final answer
    x = 712,962.63

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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.