Home / 750,600.08-1,035,902.31-428,358.60

Finding the Fourth Proportional to 750,600.08, 1,035,902.31 and 428,358.60

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Solution

The fourth proportional to 750,600.08, 1,035,902.31 and 428,358.60 is: 591,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,600.08 : 1,035,902.31 = 428,358.60 : x
  2. Step 2: Convert to fraction form
    750,600.08/1,035,902.31 = 428,358.60/x
  3. Step 3: Cross multiply
    750,600.08x = 1,035,902.31 × 428,358.60
  4. Step 4: Simplify right side
    750,600.08x = 443,737,663,248.37
  5. Step 5: Solve for x
    x = 443,737,663,248.37/750,600.08
  6. Step 6: Final answer
    x = 591,177.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.