Home / 887,335.65-1,331,227.89-247,639.26

Finding the Fourth Proportional to 887,335.65, 1,331,227.89 and 247,639.26

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Solution

The fourth proportional to 887,335.65, 1,331,227.89 and 247,639.26 is: 371,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,335.65 : 1,331,227.89 = 247,639.26 : x
  2. Step 2: Convert to fraction form
    887,335.65/1,331,227.89 = 247,639.26/x
  3. Step 3: Cross multiply
    887,335.65x = 1,331,227.89 × 247,639.26
  4. Step 4: Simplify right side
    887,335.65x = 329,664,289,570.96
  5. Step 5: Solve for x
    x = 329,664,289,570.96/887,335.65
  6. Step 6: Final answer
    x = 371,521.52

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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.