Home / 969,931.16-1,338,546.54-540,211.40

Finding the Fourth Proportional to 969,931.16, 1,338,546.54 and 540,211.40

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Solution

The fourth proportional to 969,931.16, 1,338,546.54 and 540,211.40 is: 745,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,931.16 : 1,338,546.54 = 540,211.40 : x
  2. Step 2: Convert to fraction form
    969,931.16/1,338,546.54 = 540,211.40/x
  3. Step 3: Cross multiply
    969,931.16x = 1,338,546.54 × 540,211.40
  4. Step 4: Simplify right side
    969,931.16x = 723,098,100,338.56
  5. Step 5: Solve for x
    x = 723,098,100,338.56/969,931.16
  6. Step 6: Final answer
    x = 745,514.87

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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.