Home / 870,383.82-1,305,313.29-337,786.14

Finding the Fourth Proportional to 870,383.82, 1,305,313.29 and 337,786.14

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Solution

The fourth proportional to 870,383.82, 1,305,313.29 and 337,786.14 is: 506,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,383.82 : 1,305,313.29 = 337,786.14 : x
  2. Step 2: Convert to fraction form
    870,383.82/1,305,313.29 = 337,786.14/x
  3. Step 3: Cross multiply
    870,383.82x = 1,305,313.29 × 337,786.14
  4. Step 4: Simplify right side
    870,383.82x = 440,916,737,719.80
  5. Step 5: Solve for x
    x = 440,916,737,719.80/870,383.82
  6. Step 6: Final answer
    x = 506,577.36

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1.5x scale

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.