Home / 889,929.72-1,227,890.34-527,290.97

Finding the Fourth Proportional to 889,929.72, 1,227,890.34 and 527,290.97

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Solution

The fourth proportional to 889,929.72, 1,227,890.34 and 527,290.97 is: 727,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,929.72 : 1,227,890.34 = 527,290.97 : x
  2. Step 2: Convert to fraction form
    889,929.72/1,227,890.34 = 527,290.97/x
  3. Step 3: Cross multiply
    889,929.72x = 1,227,890.34 × 527,290.97
  4. Step 4: Simplify right side
    889,929.72x = 647,455,482,292.78
  5. Step 5: Solve for x
    x = 647,455,482,292.78/889,929.72
  6. Step 6: Final answer
    x = 727,535.52

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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.