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Finding the Fourth Proportional to 660,251.36, 988,186.32 and 601,222.88

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Solution

The fourth proportional to 660,251.36, 988,186.32 and 601,222.88 is: 899,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,251.36 : 988,186.32 = 601,222.88 : x
  2. Step 2: Convert to fraction form
    660,251.36/988,186.32 = 601,222.88/x
  3. Step 3: Cross multiply
    660,251.36x = 988,186.32 × 601,222.88
  4. Step 4: Simplify right side
    660,251.36x = 594,120,225,287.00
  5. Step 5: Solve for x
    x = 594,120,225,287.00/660,251.36
  6. Step 6: Final answer
    x = 899,839.46

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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.