Home / 878,463.52-1,212,279.60-476,055.52

Finding the Fourth Proportional to 878,463.52, 1,212,279.60 and 476,055.52

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Solution

The fourth proportional to 878,463.52, 1,212,279.60 and 476,055.52 is: 656,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,463.52 : 1,212,279.60 = 476,055.52 : x
  2. Step 2: Convert to fraction form
    878,463.52/1,212,279.60 = 476,055.52/x
  3. Step 3: Cross multiply
    878,463.52x = 1,212,279.60 × 476,055.52
  4. Step 4: Simplify right side
    878,463.52x = 577,112,395,363.39
  5. Step 5: Solve for x
    x = 577,112,395,363.39/878,463.52
  6. Step 6: Final answer
    x = 656,956.59

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1.5x scale

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.