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Finding the Fourth Proportional to 453,711, 626,121.18 and 252,554.52

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Solution

The fourth proportional to 453,711, 626,121.18 and 252,554.52 is: 348,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,711 : 626,121.18 = 252,554.52 : x
  2. Step 2: Convert to fraction form
    453,711/626,121.18 = 252,554.52/x
  3. Step 3: Cross multiply
    453,711x = 626,121.18 × 252,554.52
  4. Step 4: Simplify right side
    453,711x = 158,129,734,076.73
  5. Step 5: Solve for x
    x = 158,129,734,076.73/453,711
  6. Step 6: Final answer
    x = 348,525.24

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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.