Home / 628,463.39-867,279.69-341,977.32

Finding the Fourth Proportional to 628,463.39, 867,279.69 and 341,977.32

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Solution

The fourth proportional to 628,463.39, 867,279.69 and 341,977.32 is: 471,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,463.39 : 867,279.69 = 341,977.32 : x
  2. Step 2: Convert to fraction form
    628,463.39/867,279.69 = 341,977.32/x
  3. Step 3: Cross multiply
    628,463.39x = 867,279.69 × 341,977.32
  4. Step 4: Simplify right side
    628,463.39x = 296,589,984,076.63
  5. Step 5: Solve for x
    x = 296,589,984,076.63/628,463.39
  6. Step 6: Final answer
    x = 471,928.82

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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.