Home / 454,159.44-626,740.20-263,283.48

Finding the Fourth Proportional to 454,159.44, 626,740.20 and 263,283.48

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Solution

The fourth proportional to 454,159.44, 626,740.20 and 263,283.48 is: 363,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,159.44 : 626,740.20 = 263,283.48 : x
  2. Step 2: Convert to fraction form
    454,159.44/626,740.20 = 263,283.48/x
  3. Step 3: Cross multiply
    454,159.44x = 626,740.20 × 263,283.48
  4. Step 4: Simplify right side
    454,159.44x = 165,010,340,911.90
  5. Step 5: Solve for x
    x = 165,010,340,911.90/454,159.44
  6. Step 6: Final answer
    x = 363,331.30

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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.