Home / 670,486.95-1,005,632.01-271,118.88

Finding the Fourth Proportional to 670,486.95, 1,005,632.01 and 271,118.88

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Solution

The fourth proportional to 670,486.95, 1,005,632.01 and 271,118.88 is: 406,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,486.95 : 1,005,632.01 = 271,118.88 : x
  2. Step 2: Convert to fraction form
    670,486.95/1,005,632.01 = 271,118.88/x
  3. Step 3: Cross multiply
    670,486.95x = 1,005,632.01 × 271,118.88
  4. Step 4: Simplify right side
    670,486.95x = 272,645,824,243.35
  5. Step 5: Solve for x
    x = 272,645,824,243.35/670,486.95
  6. Step 6: Final answer
    x = 406,638.52

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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.