Home / 628,435.80-867,237.24-341,956.92

Finding the Fourth Proportional to 628,435.80, 867,237.24 and 341,956.92

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Solution

The fourth proportional to 628,435.80, 867,237.24 and 341,956.92 is: 471,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,435.80 : 867,237.24 = 341,956.92 : x
  2. Step 2: Convert to fraction form
    628,435.80/867,237.24 = 341,956.92/x
  3. Step 3: Cross multiply
    628,435.80x = 867,237.24 × 341,956.92
  4. Step 4: Simplify right side
    628,435.80x = 296,557,775,499.70
  5. Step 5: Solve for x
    x = 296,557,775,499.70/628,435.80
  6. Step 6: Final answer
    x = 471,898.28

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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.