Home / 768,631.34-1,153,646.66-409,104.03

Finding the Fourth Proportional to 768,631.34, 1,153,646.66 and 409,104.03

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Solution

The fourth proportional to 768,631.34, 1,153,646.66 and 409,104.03 is: 614,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,631.34 : 1,153,646.66 = 409,104.03 : x
  2. Step 2: Convert to fraction form
    768,631.34/1,153,646.66 = 409,104.03/x
  3. Step 3: Cross multiply
    768,631.34x = 1,153,646.66 × 409,104.03
  4. Step 4: Simplify right side
    768,631.34x = 471,961,497,802.04
  5. Step 5: Solve for x
    x = 471,961,497,802.04/768,631.34
  6. Step 6: Final answer
    x = 614,028.43

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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.