Home / 874,141.85-1,311,400.38-495,244.10

Finding the Fourth Proportional to 874,141.85, 1,311,400.38 and 495,244.10

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Solution

The fourth proportional to 874,141.85, 1,311,400.38 and 495,244.10 is: 742,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,141.85 : 1,311,400.38 = 495,244.10 : x
  2. Step 2: Convert to fraction form
    874,141.85/1,311,400.38 = 495,244.10/x
  3. Step 3: Cross multiply
    874,141.85x = 1,311,400.38 × 495,244.10
  4. Step 4: Simplify right side
    874,141.85x = 649,463,299,594.36
  5. Step 5: Solve for x
    x = 649,463,299,594.36/874,141.85
  6. Step 6: Final answer
    x = 742,972.44

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1.5x scale

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.