Home / 856,286.10-1,284,623.55-501,117.30

Finding the Fourth Proportional to 856,286.10, 1,284,623.55 and 501,117.30

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Solution

The fourth proportional to 856,286.10, 1,284,623.55 and 501,117.30 is: 751,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,286.10 : 1,284,623.55 = 501,117.30 : x
  2. Step 2: Convert to fraction form
    856,286.10/1,284,623.55 = 501,117.30/x
  3. Step 3: Cross multiply
    856,286.10x = 1,284,623.55 × 501,117.30
  4. Step 4: Simplify right side
    856,286.10x = 643,747,084,892.42
  5. Step 5: Solve for x
    x = 643,747,084,892.42/856,286.10
  6. Step 6: Final answer
    x = 751,789.72

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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.