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Finding the Fourth Proportional to 659,287.89, 989,097.66 and 304,552.89

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Solution

The fourth proportional to 659,287.89, 989,097.66 and 304,552.89 is: 456,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,287.89 : 989,097.66 = 304,552.89 : x
  2. Step 2: Convert to fraction form
    659,287.89/989,097.66 = 304,552.89/x
  3. Step 3: Cross multiply
    659,287.89x = 989,097.66 × 304,552.89
  4. Step 4: Simplify right side
    659,287.89x = 301,232,550,845.24
  5. Step 5: Solve for x
    x = 301,232,550,845.24/659,287.89
  6. Step 6: Final answer
    x = 456,905.94

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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.