Home / 870,196.26-1,200,852.14-482,989.04

Finding the Fourth Proportional to 870,196.26, 1,200,852.14 and 482,989.04

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Solution

The fourth proportional to 870,196.26, 1,200,852.14 and 482,989.04 is: 666,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,196.26 : 1,200,852.14 = 482,989.04 : x
  2. Step 2: Convert to fraction form
    870,196.26/1,200,852.14 = 482,989.04/x
  3. Step 3: Cross multiply
    870,196.26x = 1,200,852.14 × 482,989.04
  4. Step 4: Simplify right side
    870,196.26x = 579,998,413,861.34
  5. Step 5: Solve for x
    x = 579,998,413,861.34/870,196.26
  6. Step 6: Final answer
    x = 666,514.49

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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.