Home / 750,800.33-1,036,121.18-428,503.96

Finding the Fourth Proportional to 750,800.33, 1,036,121.18 and 428,503.96

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Solution

The fourth proportional to 750,800.33, 1,036,121.18 and 428,503.96 is: 591,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,800.33 : 1,036,121.18 = 428,503.96 : x
  2. Step 2: Convert to fraction form
    750,800.33/1,036,121.18 = 428,503.96/x
  3. Step 3: Cross multiply
    750,800.33x = 1,036,121.18 × 428,503.96
  4. Step 4: Simplify right side
    750,800.33x = 443,982,028,669.87
  5. Step 5: Solve for x
    x = 443,982,028,669.87/750,800.33
  6. Step 6: Final answer
    x = 591,345.01

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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.