Home / 788,107.88-1,182,327.87-255,587.39

Finding the Fourth Proportional to 788,107.88, 1,182,327.87 and 255,587.39

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Solution

The fourth proportional to 788,107.88, 1,182,327.87 and 255,587.39 is: 383,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,107.88 : 1,182,327.87 = 255,587.39 : x
  2. Step 2: Convert to fraction form
    788,107.88/1,182,327.87 = 255,587.39/x
  3. Step 3: Cross multiply
    788,107.88x = 1,182,327.87 × 255,587.39
  4. Step 4: Simplify right side
    788,107.88x = 302,188,087,866.95
  5. Step 5: Solve for x
    x = 302,188,087,866.95/788,107.88
  6. Step 6: Final answer
    x = 383,434.93

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1.5x scale

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.