Home / 869,537.28-1,199,946.24-487,562.88

Finding the Fourth Proportional to 869,537.28, 1,199,946.24 and 487,562.88

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Solution

The fourth proportional to 869,537.28, 1,199,946.24 and 487,562.88 is: 672,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,537.28 : 1,199,946.24 = 487,562.88 : x
  2. Step 2: Convert to fraction form
    869,537.28/1,199,946.24 = 487,562.88/x
  3. Step 3: Cross multiply
    869,537.28x = 1,199,946.24 × 487,562.88
  4. Step 4: Simplify right side
    869,537.28x = 585,049,244,619.57
  5. Step 5: Solve for x
    x = 585,049,244,619.57/869,537.28
  6. Step 6: Final answer
    x = 672,828.25

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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.