Home / 788,046.20-1,182,215.10-255,584.60

Finding the Fourth Proportional to 788,046.20, 1,182,215.10 and 255,584.60

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Solution

The fourth proportional to 788,046.20, 1,182,215.10 and 255,584.60 is: 383,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,046.20 : 1,182,215.10 = 255,584.60 : x
  2. Step 2: Convert to fraction form
    788,046.20/1,182,215.10 = 255,584.60/x
  3. Step 3: Cross multiply
    788,046.20x = 1,182,215.10 × 255,584.60
  4. Step 4: Simplify right side
    788,046.20x = 302,155,973,447.46
  5. Step 5: Solve for x
    x = 302,155,973,447.46/788,046.20
  6. Step 6: Final answer
    x = 383,424.19

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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.