Home / 788,158.99-1,182,404.66-255,638.63

Finding the Fourth Proportional to 788,158.99, 1,182,404.66 and 255,638.63

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Solution

The fourth proportional to 788,158.99, 1,182,404.66 and 255,638.63 is: 383,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,158.99 : 1,182,404.66 = 255,638.63 : x
  2. Step 2: Convert to fraction form
    788,158.99/1,182,404.66 = 255,638.63/x
  3. Step 3: Cross multiply
    788,158.99x = 1,182,404.66 × 255,638.63
  4. Step 4: Simplify right side
    788,158.99x = 302,268,309,065.83
  5. Step 5: Solve for x
    x = 302,268,309,065.83/788,158.99
  6. Step 6: Final answer
    x = 383,511.85

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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.