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Finding the Fourth Proportional to 521,855.52, 720,160.62 and 295,501

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Solution

The fourth proportional to 521,855.52, 720,160.62 and 295,501 is: 407,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,855.52 : 720,160.62 = 295,501 : x
  2. Step 2: Convert to fraction form
    521,855.52/720,160.62 = 295,501/x
  3. Step 3: Cross multiply
    521,855.52x = 720,160.62 × 295,501
  4. Step 4: Simplify right side
    521,855.52x = 212,808,183,370.62
  5. Step 5: Solve for x
    x = 212,808,183,370.62/521,855.52
  6. Step 6: Final answer
    x = 407,791.38

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1.5x scale

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.