Home / 870,818.32-1,305,543.01-550,296.04

Finding the Fourth Proportional to 870,818.32, 1,305,543.01 and 550,296.04

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Solution

The fourth proportional to 870,818.32, 1,305,543.01 and 550,296.04 is: 825,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,818.32 : 1,305,543.01 = 550,296.04 : x
  2. Step 2: Convert to fraction form
    870,818.32/1,305,543.01 = 550,296.04/x
  3. Step 3: Cross multiply
    870,818.32x = 1,305,543.01 × 550,296.04
  4. Step 4: Simplify right side
    870,818.32x = 718,435,148,452.68
  5. Step 5: Solve for x
    x = 718,435,148,452.68/870,818.32
  6. Step 6: Final answer
    x = 825,011.52

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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.