Home / 753,814.48-1,040,506.38-482,612.80

Finding the Fourth Proportional to 753,814.48, 1,040,506.38 and 482,612.80

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Solution

The fourth proportional to 753,814.48, 1,040,506.38 and 482,612.80 is: 666,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,814.48 : 1,040,506.38 = 482,612.80 : x
  2. Step 2: Convert to fraction form
    753,814.48/1,040,506.38 = 482,612.80/x
  3. Step 3: Cross multiply
    753,814.48x = 1,040,506.38 × 482,612.80
  4. Step 4: Simplify right side
    753,814.48x = 502,161,697,469.66
  5. Step 5: Solve for x
    x = 502,161,697,469.66/753,814.48
  6. Step 6: Final answer
    x = 666,160.85

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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.