Home / 451,723.04-676,681.18-271,709.05

Finding the Fourth Proportional to 451,723.04, 676,681.18 and 271,709.05

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Solution

The fourth proportional to 451,723.04, 676,681.18 and 271,709.05 is: 407,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,723.04 : 676,681.18 = 271,709.05 : x
  2. Step 2: Convert to fraction form
    451,723.04/676,681.18 = 271,709.05/x
  3. Step 3: Cross multiply
    451,723.04x = 676,681.18 × 271,709.05
  4. Step 4: Simplify right side
    451,723.04x = 183,860,398,199.70
  5. Step 5: Solve for x
    x = 183,860,398,199.70/451,723.04
  6. Step 6: Final answer
    x = 407,020.19

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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.