Home / 920,867.32-1,380,253.52-560,243.23

Finding the Fourth Proportional to 920,867.32, 1,380,253.52 and 560,243.23

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Solution

The fourth proportional to 920,867.32, 1,380,253.52 and 560,243.23 is: 839,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,867.32 : 1,380,253.52 = 560,243.23 : x
  2. Step 2: Convert to fraction form
    920,867.32/1,380,253.52 = 560,243.23/x
  3. Step 3: Cross multiply
    920,867.32x = 1,380,253.52 × 560,243.23
  4. Step 4: Simplify right side
    920,867.32x = 773,277,690,263.67
  5. Step 5: Solve for x
    x = 773,277,690,263.67/920,867.32
  6. Step 6: Final answer
    x = 839,727.58

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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.