Home / 432,488.90-648,731.82-116,945.78

Finding the Fourth Proportional to 432,488.90, 648,731.82 and 116,945.78

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Solution

The fourth proportional to 432,488.90, 648,731.82 and 116,945.78 is: 175,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,488.90 : 648,731.82 = 116,945.78 : x
  2. Step 2: Convert to fraction form
    432,488.90/648,731.82 = 116,945.78/x
  3. Step 3: Cross multiply
    432,488.90x = 648,731.82 × 116,945.78
  4. Step 4: Simplify right side
    432,488.90x = 75,866,448,700.72
  5. Step 5: Solve for x
    x = 75,866,448,700.72/432,488.90
  6. Step 6: Final answer
    x = 175,418.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.