Home / 755,554.80-1,133,332.20-657,139.80

Finding the Fourth Proportional to 755,554.80, 1,133,332.20 and 657,139.80

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Solution

The fourth proportional to 755,554.80, 1,133,332.20 and 657,139.80 is: 985,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,554.80 : 1,133,332.20 = 657,139.80 : x
  2. Step 2: Convert to fraction form
    755,554.80/1,133,332.20 = 657,139.80/x
  3. Step 3: Cross multiply
    755,554.80x = 1,133,332.20 × 657,139.80
  4. Step 4: Simplify right side
    755,554.80x = 744,757,695,241.56
  5. Step 5: Solve for x
    x = 744,757,695,241.56/755,554.80
  6. Step 6: Final answer
    x = 985,709.70

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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.