Home / 521,845.50-720,146.79-295,534.74

Finding the Fourth Proportional to 521,845.50, 720,146.79 and 295,534.74

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Solution

The fourth proportional to 521,845.50, 720,146.79 and 295,534.74 is: 407,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,845.50 : 720,146.79 = 295,534.74 : x
  2. Step 2: Convert to fraction form
    521,845.50/720,146.79 = 295,534.74/x
  3. Step 3: Cross multiply
    521,845.50x = 720,146.79 × 295,534.74
  4. Step 4: Simplify right side
    521,845.50x = 212,828,394,344.49
  5. Step 5: Solve for x
    x = 212,828,394,344.49/521,845.50
  6. Step 6: Final answer
    x = 407,837.94

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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.