Home / 969,956.16-1,338,581.04-540,236.40

Finding the Fourth Proportional to 969,956.16, 1,338,581.04 and 540,236.40

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Solution

The fourth proportional to 969,956.16, 1,338,581.04 and 540,236.40 is: 745,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,956.16 : 1,338,581.04 = 540,236.40 : x
  2. Step 2: Convert to fraction form
    969,956.16/1,338,581.04 = 540,236.40/x
  3. Step 3: Cross multiply
    969,956.16x = 1,338,581.04 × 540,236.40
  4. Step 4: Simplify right side
    969,956.16x = 723,150,202,157.86
  5. Step 5: Solve for x
    x = 723,150,202,157.86/969,956.16
  6. Step 6: Final answer
    x = 745,549.37

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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.