Home / 878,964-1,317,664.08-317,873.76

Finding the Fourth Proportional to 878,964, 1,317,664.08 and 317,873.76

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Solution

The fourth proportional to 878,964, 1,317,664.08 and 317,873.76 is: 476,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,964 : 1,317,664.08 = 317,873.76 : x
  2. Step 2: Convert to fraction form
    878,964/1,317,664.08 = 317,873.76/x
  3. Step 3: Cross multiply
    878,964x = 1,317,664.08 × 317,873.76
  4. Step 4: Simplify right side
    878,964x = 418,850,835,526.54
  5. Step 5: Solve for x
    x = 418,850,835,526.54/878,964
  6. Step 6: Final answer
    x = 476,527.86

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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.