Home / 905,836.86-1,250,070.40-497,955.88

Finding the Fourth Proportional to 905,836.86, 1,250,070.40 and 497,955.88

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Solution

The fourth proportional to 905,836.86, 1,250,070.40 and 497,955.88 is: 687,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,836.86 : 1,250,070.40 = 497,955.88 : x
  2. Step 2: Convert to fraction form
    905,836.86/1,250,070.40 = 497,955.88/x
  3. Step 3: Cross multiply
    905,836.86x = 1,250,070.40 × 497,955.88
  4. Step 4: Simplify right side
    905,836.86x = 622,479,906,093.95
  5. Step 5: Solve for x
    x = 622,479,906,093.95/905,836.86
  6. Step 6: Final answer
    x = 687,187.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.