Home / 718,948.31-996,342.83-708,800.63

Finding the Fourth Proportional to 718,948.31, 996,342.83 and 708,800.63

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Solution

The fourth proportional to 718,948.31, 996,342.83 and 708,800.63 is: 982,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,948.31 : 996,342.83 = 708,800.63 : x
  2. Step 2: Convert to fraction form
    718,948.31/996,342.83 = 708,800.63/x
  3. Step 3: Cross multiply
    718,948.31x = 996,342.83 × 708,800.63
  4. Step 4: Simplify right side
    718,948.31x = 706,208,419,732.27
  5. Step 5: Solve for x
    x = 706,208,419,732.27/718,948.31
  6. Step 6: Final answer
    x = 982,279.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.