Home / 753,939.90-1,040,679.54-482,738.22

Finding the Fourth Proportional to 753,939.90, 1,040,679.54 and 482,738.22

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Solution

The fourth proportional to 753,939.90, 1,040,679.54 and 482,738.22 is: 666,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,939.90 : 1,040,679.54 = 482,738.22 : x
  2. Step 2: Convert to fraction form
    753,939.90/1,040,679.54 = 482,738.22/x
  3. Step 3: Cross multiply
    753,939.90x = 1,040,679.54 × 482,738.22
  4. Step 4: Simplify right side
    753,939.90x = 502,375,788,730.02
  5. Step 5: Solve for x
    x = 502,375,788,730.02/753,939.90
  6. Step 6: Final answer
    x = 666,334.00

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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.