Home / 480,840.11-663,595.35-274,113.43

Finding the Fourth Proportional to 480,840.11, 663,595.35 and 274,113.43

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Solution

The fourth proportional to 480,840.11, 663,595.35 and 274,113.43 is: 378,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,840.11 : 663,595.35 = 274,113.43 : x
  2. Step 2: Convert to fraction form
    480,840.11/663,595.35 = 274,113.43/x
  3. Step 3: Cross multiply
    480,840.11x = 663,595.35 × 274,113.43
  4. Step 4: Simplify right side
    480,840.11x = 181,900,397,520.55
  5. Step 5: Solve for x
    x = 181,900,397,520.55/480,840.11
  6. Step 6: Final answer
    x = 378,297.05

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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.