Home / 750,687.41-1,036,023.09-428,446.31

Finding the Fourth Proportional to 750,687.41, 1,036,023.09 and 428,446.31

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Solution

The fourth proportional to 750,687.41, 1,036,023.09 and 428,446.31 is: 591,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,687.41 : 1,036,023.09 = 428,446.31 : x
  2. Step 2: Convert to fraction form
    750,687.41/1,036,023.09 = 428,446.31/x
  3. Step 3: Cross multiply
    750,687.41x = 1,036,023.09 × 428,446.31
  4. Step 4: Simplify right side
    750,687.41x = 443,880,269,985.30
  5. Step 5: Solve for x
    x = 443,880,269,985.30/750,687.41
  6. Step 6: Final answer
    x = 591,298.41

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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.