Home / 840,710.34-1,160,170.62-458,743.50

Finding the Fourth Proportional to 840,710.34, 1,160,170.62 and 458,743.50

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Solution

The fourth proportional to 840,710.34, 1,160,170.62 and 458,743.50 is: 633,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,710.34 : 1,160,170.62 = 458,743.50 : x
  2. Step 2: Convert to fraction form
    840,710.34/1,160,170.62 = 458,743.50/x
  3. Step 3: Cross multiply
    840,710.34x = 1,160,170.62 × 458,743.50
  4. Step 4: Simplify right side
    840,710.34x = 532,220,730,815.97
  5. Step 5: Solve for x
    x = 532,220,730,815.97/840,710.34
  6. Step 6: Final answer
    x = 633,060.76

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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.