Home / 870,110.91-1,200,734.96-482,903.87

Finding the Fourth Proportional to 870,110.91, 1,200,734.96 and 482,903.87

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Solution

The fourth proportional to 870,110.91, 1,200,734.96 and 482,903.87 is: 666,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,110.91 : 1,200,734.96 = 482,903.87 : x
  2. Step 2: Convert to fraction form
    870,110.91/1,200,734.96 = 482,903.87/x
  3. Step 3: Cross multiply
    870,110.91x = 1,200,734.96 × 482,903.87
  4. Step 4: Simplify right side
    870,110.91x = 579,839,550,610.10
  5. Step 5: Solve for x
    x = 579,839,550,610.10/870,110.91
  6. Step 6: Final answer
    x = 666,397.29

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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.