Home / 750,902.96-1,036,320.45-428,661.56

Finding the Fourth Proportional to 750,902.96, 1,036,320.45 and 428,661.56

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Solution

The fourth proportional to 750,902.96, 1,036,320.45 and 428,661.56 is: 591,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,902.96 : 1,036,320.45 = 428,661.56 : x
  2. Step 2: Convert to fraction form
    750,902.96/1,036,320.45 = 428,661.56/x
  3. Step 3: Cross multiply
    750,902.96x = 1,036,320.45 × 428,661.56
  4. Step 4: Simplify right side
    750,902.96x = 444,230,740,756.90
  5. Step 5: Solve for x
    x = 444,230,740,756.90/750,902.96
  6. Step 6: Final answer
    x = 591,595.41

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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.