Home / 788,160.80-1,181,949.60-255,699.20

Finding the Fourth Proportional to 788,160.80, 1,181,949.60 and 255,699.20

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Solution

The fourth proportional to 788,160.80, 1,181,949.60 and 255,699.20 is: 383,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,160.80 : 1,181,949.60 = 255,699.20 : x
  2. Step 2: Convert to fraction form
    788,160.80/1,181,949.60 = 255,699.20/x
  3. Step 3: Cross multiply
    788,160.80x = 1,181,949.60 × 255,699.20
  4. Step 4: Simplify right side
    788,160.80x = 302,223,567,160.32
  5. Step 5: Solve for x
    x = 302,223,567,160.32/788,160.80
  6. Step 6: Final answer
    x = 383,454.20

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Similar ratio
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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.