Home / 364,943.74-503,665.20-303,581.61

Finding the Fourth Proportional to 364,943.74, 503,665.20 and 303,581.61

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Solution

The fourth proportional to 364,943.74, 503,665.20 and 303,581.61 is: 418,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,943.74 : 503,665.20 = 303,581.61 : x
  2. Step 2: Convert to fraction form
    364,943.74/503,665.20 = 303,581.61/x
  3. Step 3: Cross multiply
    364,943.74x = 503,665.20 × 303,581.61
  4. Step 4: Simplify right side
    364,943.74x = 152,903,492,316.97
  5. Step 5: Solve for x
    x = 152,903,492,316.97/364,943.74
  6. Step 6: Final answer
    x = 418,978.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.