Home / 887,057.40-1,224,139.70-479,159.24

Finding the Fourth Proportional to 887,057.40, 1,224,139.70 and 479,159.24

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Solution

The fourth proportional to 887,057.40, 1,224,139.70 and 479,159.24 is: 661,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,057.40 : 1,224,139.70 = 479,159.24 : x
  2. Step 2: Convert to fraction form
    887,057.40/1,224,139.70 = 479,159.24/x
  3. Step 3: Cross multiply
    887,057.40x = 1,224,139.70 × 479,159.24
  4. Step 4: Simplify right side
    887,057.40x = 586,557,839,789.33
  5. Step 5: Solve for x
    x = 586,557,839,789.33/887,057.40
  6. Step 6: Final answer
    x = 661,240.01

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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.