Home / 788,360.09-1,181,791.92-255,506.63

Finding the Fourth Proportional to 788,360.09, 1,181,791.92 and 255,506.63

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Solution

The fourth proportional to 788,360.09, 1,181,791.92 and 255,506.63 is: 383,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,360.09 : 1,181,791.92 = 255,506.63 : x
  2. Step 2: Convert to fraction form
    788,360.09/1,181,791.92 = 255,506.63/x
  3. Step 3: Cross multiply
    788,360.09x = 1,181,791.92 × 255,506.63
  4. Step 4: Simplify right side
    788,360.09x = 301,955,670,840.43
  5. Step 5: Solve for x
    x = 301,955,670,840.43/788,360.09
  6. Step 6: Final answer
    x = 383,017.45

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Double scale
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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.