Home / 868,115.70-1,302,367.95-335,589.30

Finding the Fourth Proportional to 868,115.70, 1,302,367.95 and 335,589.30

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Solution

The fourth proportional to 868,115.70, 1,302,367.95 and 335,589.30 is: 503,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,115.70 : 1,302,367.95 = 335,589.30 : x
  2. Step 2: Convert to fraction form
    868,115.70/1,302,367.95 = 335,589.30/x
  3. Step 3: Cross multiply
    868,115.70x = 1,302,367.95 × 335,589.30
  4. Step 4: Simplify right side
    868,115.70x = 437,060,748,682.94
  5. Step 5: Solve for x
    x = 437,060,748,682.94/868,115.70
  6. Step 6: Final answer
    x = 503,459.10

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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.