Home / 628,444.31-867,245.86-341,959.46

Finding the Fourth Proportional to 628,444.31, 867,245.86 and 341,959.46

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Solution

The fourth proportional to 628,444.31, 867,245.86 and 341,959.46 is: 471,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,444.31 : 867,245.86 = 341,959.46 : x
  2. Step 2: Convert to fraction form
    628,444.31/867,245.86 = 341,959.46/x
  3. Step 3: Cross multiply
    628,444.31x = 867,245.86 × 341,959.46
  4. Step 4: Simplify right side
    628,444.31x = 296,562,927,286.05
  5. Step 5: Solve for x
    x = 296,562,927,286.05/628,444.31
  6. Step 6: Final answer
    x = 471,900.09

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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.