Home / 870,449.55-1,200,912.43-568,818.51

Finding the Fourth Proportional to 870,449.55, 1,200,912.43 and 568,818.51

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Solution

The fourth proportional to 870,449.55, 1,200,912.43 and 568,818.51 is: 784,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,449.55 : 1,200,912.43 = 568,818.51 : x
  2. Step 2: Convert to fraction form
    870,449.55/1,200,912.43 = 568,818.51/x
  3. Step 3: Cross multiply
    870,449.55x = 1,200,912.43 × 568,818.51
  4. Step 4: Simplify right side
    870,449.55x = 683,101,219,073.08
  5. Step 5: Solve for x
    x = 683,101,219,073.08/870,449.55
  6. Step 6: Final answer
    x = 784,768.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.