Home / 788,617.31-1,183,768.01-339,560.51

Finding the Fourth Proportional to 788,617.31, 1,183,768.01 and 339,560.51

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Solution

The fourth proportional to 788,617.31, 1,183,768.01 and 339,560.51 is: 509,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,617.31 : 1,183,768.01 = 339,560.51 : x
  2. Step 2: Convert to fraction form
    788,617.31/1,183,768.01 = 339,560.51/x
  3. Step 3: Cross multiply
    788,617.31x = 1,183,768.01 × 339,560.51
  4. Step 4: Simplify right side
    788,617.31x = 401,960,861,580.64
  5. Step 5: Solve for x
    x = 401,960,861,580.64/788,617.31
  6. Step 6: Final answer
    x = 509,703.32

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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.