Home / 875,382.64-1,313,188.80-342,834.47

Finding the Fourth Proportional to 875,382.64, 1,313,188.80 and 342,834.47

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Solution

The fourth proportional to 875,382.64, 1,313,188.80 and 342,834.47 is: 514,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,382.64 : 1,313,188.80 = 342,834.47 : x
  2. Step 2: Convert to fraction form
    875,382.64/1,313,188.80 = 342,834.47/x
  3. Step 3: Cross multiply
    875,382.64x = 1,313,188.80 × 342,834.47
  4. Step 4: Simplify right side
    875,382.64x = 450,206,386,257.94
  5. Step 5: Solve for x
    x = 450,206,386,257.94/875,382.64
  6. Step 6: Final answer
    x = 514,296.68

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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.