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Finding the Fourth Proportional to 609,997.52, 915,214.07 and 370,599.80

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Solution

The fourth proportional to 609,997.52, 915,214.07 and 370,599.80 is: 556,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,997.52 : 915,214.07 = 370,599.80 : x
  2. Step 2: Convert to fraction form
    609,997.52/915,214.07 = 370,599.80/x
  3. Step 3: Cross multiply
    609,997.52x = 915,214.07 × 370,599.80
  4. Step 4: Simplify right side
    609,997.52x = 339,178,147,649.62
  5. Step 5: Solve for x
    x = 339,178,147,649.62/609,997.52
  6. Step 6: Final answer
    x = 556,032.01

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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.