Home / 718,321.56-1,077,394.32-185,798.40

Finding the Fourth Proportional to 718,321.56, 1,077,394.32 and 185,798.40

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Solution

The fourth proportional to 718,321.56, 1,077,394.32 and 185,798.40 is: 278,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,321.56 : 1,077,394.32 = 185,798.40 : x
  2. Step 2: Convert to fraction form
    718,321.56/1,077,394.32 = 185,798.40/x
  3. Step 3: Cross multiply
    718,321.56x = 1,077,394.32 × 185,798.40
  4. Step 4: Simplify right side
    718,321.56x = 200,178,140,825.09
  5. Step 5: Solve for x
    x = 200,178,140,825.09/718,321.56
  6. Step 6: Final answer
    x = 278,674.83

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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.