Home / 671,478.24-1,007,108.01-272,102.88

Finding the Fourth Proportional to 671,478.24, 1,007,108.01 and 272,102.88

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Solution

The fourth proportional to 671,478.24, 1,007,108.01 and 272,102.88 is: 408,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,478.24 : 1,007,108.01 = 272,102.88 : x
  2. Step 2: Convert to fraction form
    671,478.24/1,007,108.01 = 272,102.88/x
  3. Step 3: Cross multiply
    671,478.24x = 1,007,108.01 × 272,102.88
  4. Step 4: Simplify right side
    671,478.24x = 274,036,989,992.07
  5. Step 5: Solve for x
    x = 274,036,989,992.07/671,478.24
  6. Step 6: Final answer
    x = 408,110.01

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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.