Home / 517,344.04-713,927.46-290,989

Finding the Fourth Proportional to 517,344.04, 713,927.46 and 290,989

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Solution

The fourth proportional to 517,344.04, 713,927.46 and 290,989 is: 401,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,344.04 : 713,927.46 = 290,989 : x
  2. Step 2: Convert to fraction form
    517,344.04/713,927.46 = 290,989/x
  3. Step 3: Cross multiply
    517,344.04x = 713,927.46 × 290,989
  4. Step 4: Simplify right side
    517,344.04x = 207,745,037,657.94
  5. Step 5: Solve for x
    x = 207,745,037,657.94/517,344.04
  6. Step 6: Final answer
    x = 401,560.71

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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.