Home / 750,673.37-1,036,003.77-428,432.29

Finding the Fourth Proportional to 750,673.37, 1,036,003.77 and 428,432.29

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Solution

The fourth proportional to 750,673.37, 1,036,003.77 and 428,432.29 is: 591,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,673.37 : 1,036,003.77 = 428,432.29 : x
  2. Step 2: Convert to fraction form
    750,673.37/1,036,003.77 = 428,432.29/x
  3. Step 3: Cross multiply
    750,673.37x = 1,036,003.77 × 428,432.29
  4. Step 4: Simplify right side
    750,673.37x = 443,857,465,039.72
  5. Step 5: Solve for x
    x = 443,857,465,039.72/750,673.37
  6. Step 6: Final answer
    x = 591,279.09

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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.