Home / 969,979.28-1,455,256.92-496,996.88

Finding the Fourth Proportional to 969,979.28, 1,455,256.92 and 496,996.88

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Solution

The fourth proportional to 969,979.28, 1,455,256.92 and 496,996.88 is: 745,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,979.28 : 1,455,256.92 = 496,996.88 : x
  2. Step 2: Convert to fraction form
    969,979.28/1,455,256.92 = 496,996.88/x
  3. Step 3: Cross multiply
    969,979.28x = 1,455,256.92 × 496,996.88
  4. Step 4: Simplify right side
    969,979.28x = 723,258,148,838.41
  5. Step 5: Solve for x
    x = 723,258,148,838.41/969,979.28
  6. Step 6: Final answer
    x = 745,642.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.