Home / 818,703.16-1,227,997.19-306,270.56

Finding the Fourth Proportional to 818,703.16, 1,227,997.19 and 306,270.56

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Solution

The fourth proportional to 818,703.16, 1,227,997.19 and 306,270.56 is: 459,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,703.16 : 1,227,997.19 = 306,270.56 : x
  2. Step 2: Convert to fraction form
    818,703.16/1,227,997.19 = 306,270.56/x
  3. Step 3: Cross multiply
    818,703.16x = 1,227,997.19 × 306,270.56
  4. Step 4: Simplify right side
    818,703.16x = 376,099,390,895.40
  5. Step 5: Solve for x
    x = 376,099,390,895.40/818,703.16
  6. Step 6: Final answer
    x = 459,384.32

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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.