Home / 816,530.82-1,224,927.72-284,203.14

Finding the Fourth Proportional to 816,530.82, 1,224,927.72 and 284,203.14

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Solution

The fourth proportional to 816,530.82, 1,224,927.72 and 284,203.14 is: 426,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,530.82 : 1,224,927.72 = 284,203.14 : x
  2. Step 2: Convert to fraction form
    816,530.82/1,224,927.72 = 284,203.14/x
  3. Step 3: Cross multiply
    816,530.82x = 1,224,927.72 × 284,203.14
  4. Step 4: Simplify right side
    816,530.82x = 348,128,304,297.04
  5. Step 5: Solve for x
    x = 348,128,304,297.04/816,530.82
  6. Step 6: Final answer
    x = 426,350.48

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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.