Home / 946,275.06-1,305,809.70-516,471.78

Finding the Fourth Proportional to 946,275.06, 1,305,809.70 and 516,471.78

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Solution

The fourth proportional to 946,275.06, 1,305,809.70 and 516,471.78 is: 712,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,275.06 : 1,305,809.70 = 516,471.78 : x
  2. Step 2: Convert to fraction form
    946,275.06/1,305,809.70 = 516,471.78/x
  3. Step 3: Cross multiply
    946,275.06x = 1,305,809.70 × 516,471.78
  4. Step 4: Simplify right side
    946,275.06x = 674,413,860,100.27
  5. Step 5: Solve for x
    x = 674,413,860,100.27/946,275.06
  6. Step 6: Final answer
    x = 712,703.83

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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.