Home / 927,488.28-1,279,933.80-525,080.28

Finding the Fourth Proportional to 927,488.28, 1,279,933.80 and 525,080.28

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Solution

The fourth proportional to 927,488.28, 1,279,933.80 and 525,080.28 is: 724,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,488.28 : 1,279,933.80 = 525,080.28 : x
  2. Step 2: Convert to fraction form
    927,488.28/1,279,933.80 = 525,080.28/x
  3. Step 3: Cross multiply
    927,488.28x = 1,279,933.80 × 525,080.28
  4. Step 4: Simplify right side
    927,488.28x = 672,067,998,085.46
  5. Step 5: Solve for x
    x = 672,067,998,085.46/927,488.28
  6. Step 6: Final answer
    x = 724,610.77

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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.