Home / 881,992.80-1,321,628.40-656,294.40

Finding the Fourth Proportional to 881,992.80, 1,321,628.40 and 656,294.40

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Solution

The fourth proportional to 881,992.80, 1,321,628.40 and 656,294.40 is: 983,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,992.80 : 1,321,628.40 = 656,294.40 : x
  2. Step 2: Convert to fraction form
    881,992.80/1,321,628.40 = 656,294.40/x
  3. Step 3: Cross multiply
    881,992.80x = 1,321,628.40 × 656,294.40
  4. Step 4: Simplify right side
    881,992.80x = 867,377,317,800.96
  5. Step 5: Solve for x
    x = 867,377,317,800.96/881,992.80
  6. Step 6: Final answer
    x = 983,429.02

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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.