Home / 870,093.09-1,200,710.38-482,886.03

Finding the Fourth Proportional to 870,093.09, 1,200,710.38 and 482,886.03

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Solution

The fourth proportional to 870,093.09, 1,200,710.38 and 482,886.03 is: 666,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,093.09 : 1,200,710.38 = 482,886.03 : x
  2. Step 2: Convert to fraction form
    870,093.09/1,200,710.38 = 482,886.03/x
  3. Step 3: Cross multiply
    870,093.09x = 1,200,710.38 × 482,886.03
  4. Step 4: Simplify right side
    870,093.09x = 579,806,268,577.99
  5. Step 5: Solve for x
    x = 579,806,268,577.99/870,093.09
  6. Step 6: Final answer
    x = 666,372.68

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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.