Home / 767,901.80-1,150,470.30-657,309.80

Finding the Fourth Proportional to 767,901.80, 1,150,470.30 and 657,309.80

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Solution

The fourth proportional to 767,901.80, 1,150,470.30 and 657,309.80 is: 984,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,901.80 : 1,150,470.30 = 657,309.80 : x
  2. Step 2: Convert to fraction form
    767,901.80/1,150,470.30 = 657,309.80/x
  3. Step 3: Cross multiply
    767,901.80x = 1,150,470.30 × 657,309.80
  4. Step 4: Simplify right side
    767,901.80x = 756,215,402,798.94
  5. Step 5: Solve for x
    x = 756,215,402,798.94/767,901.80
  6. Step 6: Final answer
    x = 984,781.39

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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.