Home / 691,743.56-1,037,304.30-669,970.76

Finding the Fourth Proportional to 691,743.56, 1,037,304.30 and 669,970.76

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Solution

The fourth proportional to 691,743.56, 1,037,304.30 and 669,970.76 is: 1,004,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,743.56 : 1,037,304.30 = 669,970.76 : x
  2. Step 2: Convert to fraction form
    691,743.56/1,037,304.30 = 669,970.76/x
  3. Step 3: Cross multiply
    691,743.56x = 1,037,304.30 × 669,970.76
  4. Step 4: Simplify right side
    691,743.56x = 694,963,550,222.27
  5. Step 5: Solve for x
    x = 694,963,550,222.27/691,743.56
  6. Step 6: Final answer
    x = 1,004,654.89

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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.