Home / 943,949.22-1,415,155.18-438,828.76

Finding the Fourth Proportional to 943,949.22, 1,415,155.18 and 438,828.76

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Solution

The fourth proportional to 943,949.22, 1,415,155.18 and 438,828.76 is: 657,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,949.22 : 1,415,155.18 = 438,828.76 : x
  2. Step 2: Convert to fraction form
    943,949.22/1,415,155.18 = 438,828.76/x
  3. Step 3: Cross multiply
    943,949.22x = 1,415,155.18 × 438,828.76
  4. Step 4: Simplify right side
    943,949.22x = 621,010,793,944.05
  5. Step 5: Solve for x
    x = 621,010,793,944.05/943,949.22
  6. Step 6: Final answer
    x = 657,885.81

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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.