Home / 843,356.16-1,265,203.56-310,879.92

Finding the Fourth Proportional to 843,356.16, 1,265,203.56 and 310,879.92

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Solution

The fourth proportional to 843,356.16, 1,265,203.56 and 310,879.92 is: 466,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,356.16 : 1,265,203.56 = 310,879.92 : x
  2. Step 2: Convert to fraction form
    843,356.16/1,265,203.56 = 310,879.92/x
  3. Step 3: Cross multiply
    843,356.16x = 1,265,203.56 × 310,879.92
  4. Step 4: Simplify right side
    843,356.16x = 393,326,381,516.52
  5. Step 5: Solve for x
    x = 393,326,381,516.52/843,356.16
  6. Step 6: Final answer
    x = 466,382.30

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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.