Home / 753,718.57-1,039,665.17-495,625.23

Finding the Fourth Proportional to 753,718.57, 1,039,665.17 and 495,625.23

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Solution

The fourth proportional to 753,718.57, 1,039,665.17 and 495,625.23 is: 683,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,718.57 : 1,039,665.17 = 495,625.23 : x
  2. Step 2: Convert to fraction form
    753,718.57/1,039,665.17 = 495,625.23/x
  3. Step 3: Cross multiply
    753,718.57x = 1,039,665.17 × 495,625.23
  4. Step 4: Simplify right side
    753,718.57x = 515,284,290,243.30
  5. Step 5: Solve for x
    x = 515,284,290,243.30/753,718.57
  6. Step 6: Final answer
    x = 683,656.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.