Home / 875,541.42-1,309,309.92-636,458.58

Finding the Fourth Proportional to 875,541.42, 1,309,309.92 and 636,458.58

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Solution

The fourth proportional to 875,541.42, 1,309,309.92 and 636,458.58 is: 951,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,541.42 : 1,309,309.92 = 636,458.58 : x
  2. Step 2: Convert to fraction form
    875,541.42/1,309,309.92 = 636,458.58/x
  3. Step 3: Cross multiply
    875,541.42x = 1,309,309.92 × 636,458.58
  4. Step 4: Simplify right side
    875,541.42x = 833,321,532,463.11
  5. Step 5: Solve for x
    x = 833,321,532,463.11/875,541.42
  6. Step 6: Final answer
    x = 951,778.54

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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.