Home / 628,977.24-943,290.72-208,285.92

Finding the Fourth Proportional to 628,977.24, 943,290.72 and 208,285.92

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Solution

The fourth proportional to 628,977.24, 943,290.72 and 208,285.92 is: 312,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,977.24 : 943,290.72 = 208,285.92 : x
  2. Step 2: Convert to fraction form
    628,977.24/943,290.72 = 208,285.92/x
  3. Step 3: Cross multiply
    628,977.24x = 943,290.72 × 208,285.92
  4. Step 4: Simplify right side
    628,977.24x = 196,474,175,442.66
  5. Step 5: Solve for x
    x = 196,474,175,442.66/628,977.24
  6. Step 6: Final answer
    x = 312,370.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.