Home / 788,519.83-1,182,779.62-189,480.98

Finding the Fourth Proportional to 788,519.83, 1,182,779.62 and 189,480.98

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Solution

The fourth proportional to 788,519.83, 1,182,779.62 and 189,480.98 is: 284,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,519.83 : 1,182,779.62 = 189,480.98 : x
  2. Step 2: Convert to fraction form
    788,519.83/1,182,779.62 = 189,480.98/x
  3. Step 3: Cross multiply
    788,519.83x = 1,182,779.62 × 189,480.98
  4. Step 4: Simplify right side
    788,519.83x = 224,114,244,004.87
  5. Step 5: Solve for x
    x = 224,114,244,004.87/788,519.83
  6. Step 6: Final answer
    x = 284,221.44

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Double scale
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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.