Home / 788,159.77-1,182,405.88-255,639.44

Finding the Fourth Proportional to 788,159.77, 1,182,405.88 and 255,639.44

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Solution

The fourth proportional to 788,159.77, 1,182,405.88 and 255,639.44 is: 383,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,159.77 : 1,182,405.88 = 255,639.44 : x
  2. Step 2: Convert to fraction form
    788,159.77/1,182,405.88 = 255,639.44/x
  3. Step 3: Cross multiply
    788,159.77x = 1,182,405.88 × 255,639.44
  4. Step 4: Simplify right side
    788,159.77x = 302,269,577,015.91
  5. Step 5: Solve for x
    x = 302,269,577,015.91/788,159.77
  6. Step 6: Final answer
    x = 383,513.08

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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.