Home / 455,315.06-628,417.04-271,565.42

Finding the Fourth Proportional to 455,315.06, 628,417.04 and 271,565.42

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Solution

The fourth proportional to 455,315.06, 628,417.04 and 271,565.42 is: 374,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,315.06 : 628,417.04 = 271,565.42 : x
  2. Step 2: Convert to fraction form
    455,315.06/628,417.04 = 271,565.42/x
  3. Step 3: Cross multiply
    455,315.06x = 628,417.04 × 271,565.42
  4. Step 4: Simplify right side
    455,315.06x = 170,656,332,902.85
  5. Step 5: Solve for x
    x = 170,656,332,902.85/455,315.06
  6. Step 6: Final answer
    x = 374,809.33

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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.