Home / 887,863.74-1,331,807.88-288,828.03

Finding the Fourth Proportional to 887,863.74, 1,331,807.88 and 288,828.03

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Solution

The fourth proportional to 887,863.74, 1,331,807.88 and 288,828.03 is: 433,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,863.74 : 1,331,807.88 = 288,828.03 : x
  2. Step 2: Convert to fraction form
    887,863.74/1,331,807.88 = 288,828.03/x
  3. Step 3: Cross multiply
    887,863.74x = 1,331,807.88 × 288,828.03
  4. Step 4: Simplify right side
    887,863.74x = 384,663,446,318.88
  5. Step 5: Solve for x
    x = 384,663,446,318.88/887,863.74
  6. Step 6: Final answer
    x = 433,246.04

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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.