Home / 707,069.32-1,059,975.18-257,705.56

Finding the Fourth Proportional to 707,069.32, 1,059,975.18 and 257,705.56

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Solution

The fourth proportional to 707,069.32, 1,059,975.18 and 257,705.56 is: 386,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,069.32 : 1,059,975.18 = 257,705.56 : x
  2. Step 2: Convert to fraction form
    707,069.32/1,059,975.18 = 257,705.56/x
  3. Step 3: Cross multiply
    707,069.32x = 1,059,975.18 × 257,705.56
  4. Step 4: Simplify right side
    707,069.32x = 273,161,497,348.00
  5. Step 5: Solve for x
    x = 273,161,497,348.00/707,069.32
  6. Step 6: Final answer
    x = 386,329.16

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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.