Home / 814,350.89-1,221,137.46-477,494.12

Finding the Fourth Proportional to 814,350.89, 1,221,137.46 and 477,494.12

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Solution

The fourth proportional to 814,350.89, 1,221,137.46 and 477,494.12 is: 716,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,350.89 : 1,221,137.46 = 477,494.12 : x
  2. Step 2: Convert to fraction form
    814,350.89/1,221,137.46 = 477,494.12/x
  3. Step 3: Cross multiply
    814,350.89x = 1,221,137.46 × 477,494.12
  4. Step 4: Simplify right side
    814,350.89x = 583,085,950,756.05
  5. Step 5: Solve for x
    x = 583,085,950,756.05/814,350.89
  6. Step 6: Final answer
    x = 716,013.16

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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.