Home / 856,285.60-1,284,622.80-501,116.80

Finding the Fourth Proportional to 856,285.60, 1,284,622.80 and 501,116.80

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Solution

The fourth proportional to 856,285.60, 1,284,622.80 and 501,116.80 is: 751,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,285.60 : 1,284,622.80 = 501,116.80 : x
  2. Step 2: Convert to fraction form
    856,285.60/1,284,622.80 = 501,116.80/x
  3. Step 3: Cross multiply
    856,285.60x = 1,284,622.80 × 501,116.80
  4. Step 4: Simplify right side
    856,285.60x = 643,746,066,743.04
  5. Step 5: Solve for x
    x = 643,746,066,743.04/856,285.60
  6. Step 6: Final answer
    x = 751,788.97

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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.