Home / 874,122.65-1,311,371.55-495,224.90

Finding the Fourth Proportional to 874,122.65, 1,311,371.55 and 495,224.90

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Solution

The fourth proportional to 874,122.65, 1,311,371.55 and 495,224.90 is: 742,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,122.65 : 1,311,371.55 = 495,224.90 : x
  2. Step 2: Convert to fraction form
    874,122.65/1,311,371.55 = 495,224.90/x
  3. Step 3: Cross multiply
    874,122.65x = 1,311,371.55 × 495,224.90
  4. Step 4: Simplify right side
    874,122.65x = 649,423,838,154.74
  5. Step 5: Solve for x
    x = 649,423,838,154.74/874,122.65
  6. Step 6: Final answer
    x = 742,943.62

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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.