Home / 671,747.51-1,008,036.51-272,391.74

Finding the Fourth Proportional to 671,747.51, 1,008,036.51 and 272,391.74

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Solution

The fourth proportional to 671,747.51, 1,008,036.51 and 272,391.74 is: 408,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,747.51 : 1,008,036.51 = 272,391.74 : x
  2. Step 2: Convert to fraction form
    671,747.51/1,008,036.51 = 272,391.74/x
  3. Step 3: Cross multiply
    671,747.51x = 1,008,036.51 × 272,391.74
  4. Step 4: Simplify right side
    671,747.51x = 274,580,817,580.47
  5. Step 5: Solve for x
    x = 274,580,817,580.47/671,747.51
  6. Step 6: Final answer
    x = 408,755.99

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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.