Home / 565,933.12-780,979.82-307,804.48

Finding the Fourth Proportional to 565,933.12, 780,979.82 and 307,804.48

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Solution

The fourth proportional to 565,933.12, 780,979.82 and 307,804.48 is: 424,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,933.12 : 780,979.82 = 307,804.48 : x
  2. Step 2: Convert to fraction form
    565,933.12/780,979.82 = 307,804.48/x
  3. Step 3: Cross multiply
    565,933.12x = 780,979.82 × 307,804.48
  4. Step 4: Simplify right side
    565,933.12x = 240,389,083,894.12
  5. Step 5: Solve for x
    x = 240,389,083,894.12/565,933.12
  6. Step 6: Final answer
    x = 424,765.89

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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.