Home / 880,889.80-1,215,821.46-579,111.88

Finding the Fourth Proportional to 880,889.80, 1,215,821.46 and 579,111.88

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Solution

The fourth proportional to 880,889.80, 1,215,821.46 and 579,111.88 is: 799,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,889.80 : 1,215,821.46 = 579,111.88 : x
  2. Step 2: Convert to fraction form
    880,889.80/1,215,821.46 = 579,111.88/x
  3. Step 3: Cross multiply
    880,889.80x = 1,215,821.46 × 579,111.88
  4. Step 4: Simplify right side
    880,889.80x = 704,096,651,444.95
  5. Step 5: Solve for x
    x = 704,096,651,444.95/880,889.80
  6. Step 6: Final answer
    x = 799,301.63

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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.