Home / 671,376.40-1,007,067.08-272,024.88

Finding the Fourth Proportional to 671,376.40, 1,007,067.08 and 272,024.88

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Solution

The fourth proportional to 671,376.40, 1,007,067.08 and 272,024.88 is: 408,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,376.40 : 1,007,067.08 = 272,024.88 : x
  2. Step 2: Convert to fraction form
    671,376.40/1,007,067.08 = 272,024.88/x
  3. Step 3: Cross multiply
    671,376.40x = 1,007,067.08 × 272,024.88
  4. Step 4: Simplify right side
    671,376.40x = 273,947,301,588.95
  5. Step 5: Solve for x
    x = 273,947,301,588.95/671,376.40
  6. Step 6: Final answer
    x = 408,038.32

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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.