Home / 870,815.56-1,305,538.88-550,293.29

Finding the Fourth Proportional to 870,815.56, 1,305,538.88 and 550,293.29

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Solution

The fourth proportional to 870,815.56, 1,305,538.88 and 550,293.29 is: 825,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,815.56 : 1,305,538.88 = 550,293.29 : x
  2. Step 2: Convert to fraction form
    870,815.56/1,305,538.88 = 550,293.29/x
  3. Step 3: Cross multiply
    870,815.56x = 1,305,538.88 × 550,293.29
  4. Step 4: Simplify right side
    870,815.56x = 718,429,280,538.30
  5. Step 5: Solve for x
    x = 718,429,280,538.30/870,815.56
  6. Step 6: Final answer
    x = 825,007.40

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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.