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Finding the Fourth Proportional to 507,754.14, 700,700.70 and 281,414.22

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Solution

The fourth proportional to 507,754.14, 700,700.70 and 281,414.22 is: 388,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,754.14 : 700,700.70 = 281,414.22 : x
  2. Step 2: Convert to fraction form
    507,754.14/700,700.70 = 281,414.22/x
  3. Step 3: Cross multiply
    507,754.14x = 700,700.70 × 281,414.22
  4. Step 4: Simplify right side
    507,754.14x = 197,187,140,943.95
  5. Step 5: Solve for x
    x = 197,187,140,943.95/507,754.14
  6. Step 6: Final answer
    x = 388,351.62

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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.