Home / 526,534.83-789,651.59-171,579.87

Finding the Fourth Proportional to 526,534.83, 789,651.59 and 171,579.87

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Solution

The fourth proportional to 526,534.83, 789,651.59 and 171,579.87 is: 257,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,534.83 : 789,651.59 = 171,579.87 : x
  2. Step 2: Convert to fraction form
    526,534.83/789,651.59 = 171,579.87/x
  3. Step 3: Cross multiply
    526,534.83x = 789,651.59 × 171,579.87
  4. Step 4: Simplify right side
    526,534.83x = 135,488,316,299.59
  5. Step 5: Solve for x
    x = 135,488,316,299.59/526,534.83
  6. Step 6: Final answer
    x = 257,320.71

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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.