Home / 788,133.75-1,182,089.79-255,659.46

Finding the Fourth Proportional to 788,133.75, 1,182,089.79 and 255,659.46

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Solution

The fourth proportional to 788,133.75, 1,182,089.79 and 255,659.46 is: 383,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,133.75 : 1,182,089.79 = 255,659.46 : x
  2. Step 2: Convert to fraction form
    788,133.75/1,182,089.79 = 255,659.46/x
  3. Step 3: Cross multiply
    788,133.75x = 1,182,089.79 × 255,659.46
  4. Step 4: Simplify right side
    788,133.75x = 302,212,437,382.91
  5. Step 5: Solve for x
    x = 302,212,437,382.91/788,133.75
  6. Step 6: Final answer
    x = 383,453.24

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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.