Home / 628,445.31-867,247.24-341,960.46

Finding the Fourth Proportional to 628,445.31, 867,247.24 and 341,960.46

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Solution

The fourth proportional to 628,445.31, 867,247.24 and 341,960.46 is: 471,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,445.31 : 867,247.24 = 341,960.46 : x
  2. Step 2: Convert to fraction form
    628,445.31/867,247.24 = 341,960.46/x
  3. Step 3: Cross multiply
    628,445.31x = 867,247.24 × 341,960.46
  4. Step 4: Simplify right side
    628,445.31x = 296,564,265,124.13
  5. Step 5: Solve for x
    x = 296,564,265,124.13/628,445.31
  6. Step 6: Final answer
    x = 471,901.47

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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.