Home / 726,787.20-1,090,180.80-461,722.80

Finding the Fourth Proportional to 726,787.20, 1,090,180.80 and 461,722.80

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Solution

The fourth proportional to 726,787.20, 1,090,180.80 and 461,722.80 is: 692,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,787.20 : 1,090,180.80 = 461,722.80 : x
  2. Step 2: Convert to fraction form
    726,787.20/1,090,180.80 = 461,722.80/x
  3. Step 3: Cross multiply
    726,787.20x = 1,090,180.80 × 461,722.80
  4. Step 4: Simplify right side
    726,787.20x = 503,361,331,482.24
  5. Step 5: Solve for x
    x = 503,361,331,482.24/726,787.20
  6. Step 6: Final answer
    x = 692,584.20

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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.