Home / 856,284.60-1,284,621.30-501,115.80

Finding the Fourth Proportional to 856,284.60, 1,284,621.30 and 501,115.80

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Solution

The fourth proportional to 856,284.60, 1,284,621.30 and 501,115.80 is: 751,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,284.60 : 1,284,621.30 = 501,115.80 : x
  2. Step 2: Convert to fraction form
    856,284.60/1,284,621.30 = 501,115.80/x
  3. Step 3: Cross multiply
    856,284.60x = 1,284,621.30 × 501,115.80
  4. Step 4: Simplify right side
    856,284.60x = 643,744,030,446.54
  5. Step 5: Solve for x
    x = 643,744,030,446.54/856,284.60
  6. Step 6: Final answer
    x = 751,787.47

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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.