Home / 903,991.86-1,247,417.96-541,406.43

Finding the Fourth Proportional to 903,991.86, 1,247,417.96 and 541,406.43

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Solution

The fourth proportional to 903,991.86, 1,247,417.96 and 541,406.43 is: 747,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,991.86 : 1,247,417.96 = 541,406.43 : x
  2. Step 2: Convert to fraction form
    903,991.86/1,247,417.96 = 541,406.43/x
  3. Step 3: Cross multiply
    903,991.86x = 1,247,417.96 × 541,406.43
  4. Step 4: Simplify right side
    903,991.86x = 675,360,101,734.45
  5. Step 5: Solve for x
    x = 675,360,101,734.45/903,991.86
  6. Step 6: Final answer
    x = 747,086.49

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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.