Home / 943,810.92-1,415,926.80-344,771.28

Finding the Fourth Proportional to 943,810.92, 1,415,926.80 and 344,771.28

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Solution

The fourth proportional to 943,810.92, 1,415,926.80 and 344,771.28 is: 517,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,810.92 : 1,415,926.80 = 344,771.28 : x
  2. Step 2: Convert to fraction form
    943,810.92/1,415,926.80 = 344,771.28/x
  3. Step 3: Cross multiply
    943,810.92x = 1,415,926.80 × 344,771.28
  4. Step 4: Simplify right side
    943,810.92x = 488,170,895,222.30
  5. Step 5: Solve for x
    x = 488,170,895,222.30/943,810.92
  6. Step 6: Final answer
    x = 517,233.79

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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.