Home / 781,376.32-1,172,531.04-544,247.20

Finding the Fourth Proportional to 781,376.32, 1,172,531.04 and 544,247.20

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Solution

The fourth proportional to 781,376.32, 1,172,531.04 and 544,247.20 is: 816,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,376.32 : 1,172,531.04 = 544,247.20 : x
  2. Step 2: Convert to fraction form
    781,376.32/1,172,531.04 = 544,247.20/x
  3. Step 3: Cross multiply
    781,376.32x = 1,172,531.04 × 544,247.20
  4. Step 4: Simplify right side
    781,376.32x = 638,146,735,433.09
  5. Step 5: Solve for x
    x = 638,146,735,433.09/781,376.32
  6. Step 6: Final answer
    x = 816,695.77

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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.