Home / 831,405.17-1,147,349.68-504,623.63

Finding the Fourth Proportional to 831,405.17, 1,147,349.68 and 504,623.63

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Solution

The fourth proportional to 831,405.17, 1,147,349.68 and 504,623.63 is: 696,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,405.17 : 1,147,349.68 = 504,623.63 : x
  2. Step 2: Convert to fraction form
    831,405.17/1,147,349.68 = 504,623.63/x
  3. Step 3: Cross multiply
    831,405.17x = 1,147,349.68 × 504,623.63
  4. Step 4: Simplify right side
    831,405.17x = 578,979,762,007.75
  5. Step 5: Solve for x
    x = 578,979,762,007.75/831,405.17
  6. Step 6: Final answer
    x = 696,387.01

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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.