Home / 455,317.15-628,419.91-271,567.50

Finding the Fourth Proportional to 455,317.15, 628,419.91 and 271,567.50

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Solution

The fourth proportional to 455,317.15, 628,419.91 and 271,567.50 is: 374,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,317.15 : 628,419.91 = 271,567.50 : x
  2. Step 2: Convert to fraction form
    455,317.15/628,419.91 = 271,567.50/x
  3. Step 3: Cross multiply
    455,317.15x = 628,419.91 × 271,567.50
  4. Step 4: Simplify right side
    455,317.15x = 170,658,423,908.93
  5. Step 5: Solve for x
    x = 170,658,423,908.93/455,317.15
  6. Step 6: Final answer
    x = 374,812.20

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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.