Home / 943,764.86-1,415,313.78-304,042.80

Finding the Fourth Proportional to 943,764.86, 1,415,313.78 and 304,042.80

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Solution

The fourth proportional to 943,764.86, 1,415,313.78 and 304,042.80 is: 455,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,764.86 : 1,415,313.78 = 304,042.80 : x
  2. Step 2: Convert to fraction form
    943,764.86/1,415,313.78 = 304,042.80/x
  3. Step 3: Cross multiply
    943,764.86x = 1,415,313.78 × 304,042.80
  4. Step 4: Simplify right side
    943,764.86x = 430,315,964,549.78
  5. Step 5: Solve for x
    x = 430,315,964,549.78/943,764.86
  6. Step 6: Final answer
    x = 455,956.76

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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.