Home / 905,860.86-1,250,092.05-497,988.94

Finding the Fourth Proportional to 905,860.86, 1,250,092.05 and 497,988.94

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Solution

The fourth proportional to 905,860.86, 1,250,092.05 and 497,988.94 is: 687,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,860.86 : 1,250,092.05 = 497,988.94 : x
  2. Step 2: Convert to fraction form
    905,860.86/1,250,092.05 = 497,988.94/x
  3. Step 3: Cross multiply
    905,860.86x = 1,250,092.05 × 497,988.94
  4. Step 4: Simplify right side
    905,860.86x = 622,532,014,881.93
  5. Step 5: Solve for x
    x = 622,532,014,881.93/905,860.86
  6. Step 6: Final answer
    x = 687,226.97

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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.