Home / 969,814.32-1,338,247.90-540,134.44

Finding the Fourth Proportional to 969,814.32, 1,338,247.90 and 540,134.44

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Solution

The fourth proportional to 969,814.32, 1,338,247.90 and 540,134.44 is: 745,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,814.32 : 1,338,247.90 = 540,134.44 : x
  2. Step 2: Convert to fraction form
    969,814.32/1,338,247.90 = 540,134.44/x
  3. Step 3: Cross multiply
    969,814.32x = 1,338,247.90 × 540,134.44
  4. Step 4: Simplify right side
    969,814.32x = 722,833,780,047.68
  5. Step 5: Solve for x
    x = 722,833,780,047.68/969,814.32
  6. Step 6: Final answer
    x = 745,332.14

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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.