Home / 750,615.01-1,035,922.67-428,373.61

Finding the Fourth Proportional to 750,615.01, 1,035,922.67 and 428,373.61

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Solution

The fourth proportional to 750,615.01, 1,035,922.67 and 428,373.61 is: 591,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,615.01 : 1,035,922.67 = 428,373.61 : x
  2. Step 2: Convert to fraction form
    750,615.01/1,035,922.67 = 428,373.61/x
  3. Step 3: Cross multiply
    750,615.01x = 1,035,922.67 × 428,373.61
  4. Step 4: Simplify right side
    750,615.01x = 443,761,933,828.74
  5. Step 5: Solve for x
    x = 443,761,933,828.74/750,615.01
  6. Step 6: Final answer
    x = 591,197.79

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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.