Home / 878,733.32-1,212,434.56-496,751.88

Finding the Fourth Proportional to 878,733.32, 1,212,434.56 and 496,751.88

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Solution

The fourth proportional to 878,733.32, 1,212,434.56 and 496,751.88 is: 685,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,733.32 : 1,212,434.56 = 496,751.88 : x
  2. Step 2: Convert to fraction form
    878,733.32/1,212,434.56 = 496,751.88/x
  3. Step 3: Cross multiply
    878,733.32x = 1,212,434.56 × 496,751.88
  4. Step 4: Simplify right side
    878,733.32x = 602,279,147,056.97
  5. Step 5: Solve for x
    x = 602,279,147,056.97/878,733.32
  6. Step 6: Final answer
    x = 685,394.68

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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.