Home / 788,321.36-1,182,175.28-255,713.60

Finding the Fourth Proportional to 788,321.36, 1,182,175.28 and 255,713.60

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Solution

The fourth proportional to 788,321.36, 1,182,175.28 and 255,713.60 is: 383,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,321.36 : 1,182,175.28 = 255,713.60 : x
  2. Step 2: Convert to fraction form
    788,321.36/1,182,175.28 = 255,713.60/x
  3. Step 3: Cross multiply
    788,321.36x = 1,182,175.28 × 255,713.60
  4. Step 4: Simplify right side
    788,321.36x = 302,298,296,679.81
  5. Step 5: Solve for x
    x = 302,298,296,679.81/788,321.36
  6. Step 6: Final answer
    x = 383,470.89

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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.