Home / 726,144.40-1,088,050.20-607,171.60

Finding the Fourth Proportional to 726,144.40, 1,088,050.20 and 607,171.60

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Solution

The fourth proportional to 726,144.40, 1,088,050.20 and 607,171.60 is: 909,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,144.40 : 1,088,050.20 = 607,171.60 : x
  2. Step 2: Convert to fraction form
    726,144.40/1,088,050.20 = 607,171.60/x
  3. Step 3: Cross multiply
    726,144.40x = 1,088,050.20 × 607,171.60
  4. Step 4: Simplify right side
    726,144.40x = 660,633,180,814.32
  5. Step 5: Solve for x
    x = 660,633,180,814.32/726,144.40
  6. Step 6: Final answer
    x = 909,782.11

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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.