Home / 980,674.38-1,471,248.69-340,885.76

Finding the Fourth Proportional to 980,674.38, 1,471,248.69 and 340,885.76

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Solution

The fourth proportional to 980,674.38, 1,471,248.69 and 340,885.76 is: 511,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,674.38 : 1,471,248.69 = 340,885.76 : x
  2. Step 2: Convert to fraction form
    980,674.38/1,471,248.69 = 340,885.76/x
  3. Step 3: Cross multiply
    980,674.38x = 1,471,248.69 × 340,885.76
  4. Step 4: Simplify right side
    980,674.38x = 501,527,720,483.41
  5. Step 5: Solve for x
    x = 501,527,720,483.41/980,674.38
  6. Step 6: Final answer
    x = 511,411.06

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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.