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Finding the Fourth Proportional to 613,007.16, 919,584.54 and 202,690.41

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Solution

The fourth proportional to 613,007.16, 919,584.54 and 202,690.41 is: 304,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,007.16 : 919,584.54 = 202,690.41 : x
  2. Step 2: Convert to fraction form
    613,007.16/919,584.54 = 202,690.41/x
  3. Step 3: Cross multiply
    613,007.16x = 919,584.54 × 202,690.41
  4. Step 4: Simplify right side
    613,007.16x = 186,390,967,442.26
  5. Step 5: Solve for x
    x = 186,390,967,442.26/613,007.16
  6. Step 6: Final answer
    x = 304,060.02

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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.