Home / 870,987.82-1,305,973.14-337,885.87

Finding the Fourth Proportional to 870,987.82, 1,305,973.14 and 337,885.87

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Solution

The fourth proportional to 870,987.82, 1,305,973.14 and 337,885.87 is: 506,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,987.82 : 1,305,973.14 = 337,885.87 : x
  2. Step 2: Convert to fraction form
    870,987.82/1,305,973.14 = 337,885.87/x
  3. Step 3: Cross multiply
    870,987.82x = 1,305,973.14 × 337,885.87
  4. Step 4: Simplify right side
    870,987.82x = 441,269,870,605.53
  5. Step 5: Solve for x
    x = 441,269,870,605.53/870,987.82
  6. Step 6: Final answer
    x = 506,631.51

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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.