Home / 969,884.72-1,338,482.36-540,164.76

Finding the Fourth Proportional to 969,884.72, 1,338,482.36 and 540,164.76

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Solution

The fourth proportional to 969,884.72, 1,338,482.36 and 540,164.76 is: 745,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,884.72 : 1,338,482.36 = 540,164.76 : x
  2. Step 2: Convert to fraction form
    969,884.72/1,338,482.36 = 540,164.76/x
  3. Step 3: Cross multiply
    969,884.72x = 1,338,482.36 × 540,164.76
  4. Step 4: Simplify right side
    969,884.72x = 723,001,002,753.63
  5. Step 5: Solve for x
    x = 723,001,002,753.63/969,884.72
  6. Step 6: Final answer
    x = 745,450.45

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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.