Home / 803,642.85-1,108,946.38-481,344.66

Finding the Fourth Proportional to 803,642.85, 1,108,946.38 and 481,344.66

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Solution

The fourth proportional to 803,642.85, 1,108,946.38 and 481,344.66 is: 664,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,642.85 : 1,108,946.38 = 481,344.66 : x
  2. Step 2: Convert to fraction form
    803,642.85/1,108,946.38 = 481,344.66/x
  3. Step 3: Cross multiply
    803,642.85x = 1,108,946.38 × 481,344.66
  4. Step 4: Simplify right side
    803,642.85x = 533,785,418,239.33
  5. Step 5: Solve for x
    x = 533,785,418,239.33/803,642.85
  6. Step 6: Final answer
    x = 664,207.26

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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.