Home / 660,887.12-991,068.24-239,933.36

Finding the Fourth Proportional to 660,887.12, 991,068.24 and 239,933.36

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Solution

The fourth proportional to 660,887.12, 991,068.24 and 239,933.36 is: 359,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,887.12 : 991,068.24 = 239,933.36 : x
  2. Step 2: Convert to fraction form
    660,887.12/991,068.24 = 239,933.36/x
  3. Step 3: Cross multiply
    660,887.12x = 991,068.24 × 239,933.36
  4. Step 4: Simplify right side
    660,887.12x = 237,790,332,812.49
  5. Step 5: Solve for x
    x = 237,790,332,812.49/660,887.12
  6. Step 6: Final answer
    x = 359,804.76

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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.