Home / 869,944.31-1,200,520.70-482,818.18

Finding the Fourth Proportional to 869,944.31, 1,200,520.70 and 482,818.18

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Solution

The fourth proportional to 869,944.31, 1,200,520.70 and 482,818.18 is: 666,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,944.31 : 1,200,520.70 = 482,818.18 : x
  2. Step 2: Convert to fraction form
    869,944.31/1,200,520.70 = 482,818.18/x
  3. Step 3: Cross multiply
    869,944.31x = 1,200,520.70 × 482,818.18
  4. Step 4: Simplify right side
    869,944.31x = 579,633,215,821.50
  5. Step 5: Solve for x
    x = 579,633,215,821.50/869,944.31
  6. Step 6: Final answer
    x = 666,287.72

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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.