Home / 957,479.84-1,321,306.38-527,799.94

Finding the Fourth Proportional to 957,479.84, 1,321,306.38 and 527,799.94

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Solution

The fourth proportional to 957,479.84, 1,321,306.38 and 527,799.94 is: 728,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,479.84 : 1,321,306.38 = 527,799.94 : x
  2. Step 2: Convert to fraction form
    957,479.84/1,321,306.38 = 527,799.94/x
  3. Step 3: Cross multiply
    957,479.84x = 1,321,306.38 × 527,799.94
  4. Step 4: Simplify right side
    957,479.84x = 697,385,428,085.62
  5. Step 5: Solve for x
    x = 697,385,428,085.62/957,479.84
  6. Step 6: Final answer
    x = 728,355.21

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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.