Home / 750,708.09-1,036,076.94-428,344.29

Finding the Fourth Proportional to 750,708.09, 1,036,076.94 and 428,344.29

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Solution

The fourth proportional to 750,708.09, 1,036,076.94 and 428,344.29 is: 591,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,708.09 : 1,036,076.94 = 428,344.29 : x
  2. Step 2: Convert to fraction form
    750,708.09/1,036,076.94 = 428,344.29/x
  3. Step 3: Cross multiply
    750,708.09x = 1,036,076.94 × 428,344.29
  4. Step 4: Simplify right side
    750,708.09x = 443,797,641,249.67
  5. Step 5: Solve for x
    x = 443,797,641,249.67/750,708.09
  6. Step 6: Final answer
    x = 591,172.05

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1.5x scale

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.