Home / 739,933.80-1,109,900.70-657,265.20

Finding the Fourth Proportional to 739,933.80, 1,109,900.70 and 657,265.20

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Solution

The fourth proportional to 739,933.80, 1,109,900.70 and 657,265.20 is: 985,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,933.80 : 1,109,900.70 = 657,265.20 : x
  2. Step 2: Convert to fraction form
    739,933.80/1,109,900.70 = 657,265.20/x
  3. Step 3: Cross multiply
    739,933.80x = 1,109,900.70 × 657,265.20
  4. Step 4: Simplify right side
    739,933.80x = 729,499,105,565.64
  5. Step 5: Solve for x
    x = 729,499,105,565.64/739,933.80
  6. Step 6: Final answer
    x = 985,897.80

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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.