Home / 671,632.20-1,007,442.18-272,178

Finding the Fourth Proportional to 671,632.20, 1,007,442.18 and 272,178

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Solution

The fourth proportional to 671,632.20, 1,007,442.18 and 272,178 is: 408,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,632.20 : 1,007,442.18 = 272,178 : x
  2. Step 2: Convert to fraction form
    671,632.20/1,007,442.18 = 272,178/x
  3. Step 3: Cross multiply
    671,632.20x = 1,007,442.18 × 272,178
  4. Step 4: Simplify right side
    671,632.20x = 274,203,597,668.04
  5. Step 5: Solve for x
    x = 274,203,597,668.04/671,632.20
  6. Step 6: Final answer
    x = 408,264.52

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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.