Home / 712,042.64-982,624.96-406,134.56

Finding the Fourth Proportional to 712,042.64, 982,624.96 and 406,134.56

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Solution

The fourth proportional to 712,042.64, 982,624.96 and 406,134.56 is: 560,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,042.64 : 982,624.96 = 406,134.56 : x
  2. Step 2: Convert to fraction form
    712,042.64/982,624.96 = 406,134.56/x
  3. Step 3: Cross multiply
    712,042.64x = 982,624.96 × 406,134.56
  4. Step 4: Simplify right side
    712,042.64x = 399,077,955,774.62
  5. Step 5: Solve for x
    x = 399,077,955,774.62/712,042.64
  6. Step 6: Final answer
    x = 560,469.18

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1.5x scale

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.