Home / 603,899.17-905,997.08-300,436.52

Finding the Fourth Proportional to 603,899.17, 905,997.08 and 300,436.52

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Solution

The fourth proportional to 603,899.17, 905,997.08 and 300,436.52 is: 450,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,899.17 : 905,997.08 = 300,436.52 : x
  2. Step 2: Convert to fraction form
    603,899.17/905,997.08 = 300,436.52/x
  3. Step 3: Cross multiply
    603,899.17x = 905,997.08 × 300,436.52
  4. Step 4: Simplify right side
    603,899.17x = 272,194,606,066.47
  5. Step 5: Solve for x
    x = 272,194,606,066.47/603,899.17
  6. Step 6: Final answer
    x = 450,728.57

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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.