Home / 732,728.70-1,099,287.45-259,364.70

Finding the Fourth Proportional to 732,728.70, 1,099,287.45 and 259,364.70

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Solution

The fourth proportional to 732,728.70, 1,099,287.45 and 259,364.70 is: 389,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,728.70 : 1,099,287.45 = 259,364.70 : x
  2. Step 2: Convert to fraction form
    732,728.70/1,099,287.45 = 259,364.70/x
  3. Step 3: Cross multiply
    732,728.70x = 1,099,287.45 × 259,364.70
  4. Step 4: Simplify right side
    732,728.70x = 285,116,359,683.02
  5. Step 5: Solve for x
    x = 285,116,359,683.02/732,728.70
  6. Step 6: Final answer
    x = 389,115.86

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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.