Home / 766,304.82-1,149,509.07-293,040.18

Finding the Fourth Proportional to 766,304.82, 1,149,509.07 and 293,040.18

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Solution

The fourth proportional to 766,304.82, 1,149,509.07 and 293,040.18 is: 439,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,304.82 : 1,149,509.07 = 293,040.18 : x
  2. Step 2: Convert to fraction form
    766,304.82/1,149,509.07 = 293,040.18/x
  3. Step 3: Cross multiply
    766,304.82x = 1,149,509.07 × 293,040.18
  4. Step 4: Simplify right side
    766,304.82x = 336,852,344,784.43
  5. Step 5: Solve for x
    x = 336,852,344,784.43/766,304.82
  6. Step 6: Final answer
    x = 439,580.09

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Double scale
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Similar ratio
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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.