Home / 880,890.80-1,215,822.84-579,112.88

Finding the Fourth Proportional to 880,890.80, 1,215,822.84 and 579,112.88

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Solution

The fourth proportional to 880,890.80, 1,215,822.84 and 579,112.88 is: 799,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,890.80 : 1,215,822.84 = 579,112.88 : x
  2. Step 2: Convert to fraction form
    880,890.80/1,215,822.84 = 579,112.88/x
  3. Step 3: Cross multiply
    880,890.80x = 1,215,822.84 × 579,112.88
  4. Step 4: Simplify right side
    880,890.80x = 704,098,666,442.18
  5. Step 5: Solve for x
    x = 704,098,666,442.18/880,890.80
  6. Step 6: Final answer
    x = 799,303.01

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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.