Home / 969,981.30-1,338,521.10-534,313.86

Finding the Fourth Proportional to 969,981.30, 1,338,521.10 and 534,313.86

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Solution

The fourth proportional to 969,981.30, 1,338,521.10 and 534,313.86 is: 737,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,981.30 : 1,338,521.10 = 534,313.86 : x
  2. Step 2: Convert to fraction form
    969,981.30/1,338,521.10 = 534,313.86/x
  3. Step 3: Cross multiply
    969,981.30x = 1,338,521.10 × 534,313.86
  4. Step 4: Simplify right side
    969,981.30x = 715,190,375,632.45
  5. Step 5: Solve for x
    x = 715,190,375,632.45/969,981.30
  6. Step 6: Final answer
    x = 737,323.88

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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.