Home / 788,109.88-1,182,330.87-255,589.39

Finding the Fourth Proportional to 788,109.88, 1,182,330.87 and 255,589.39

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Solution

The fourth proportional to 788,109.88, 1,182,330.87 and 255,589.39 is: 383,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,109.88 : 1,182,330.87 = 255,589.39 : x
  2. Step 2: Convert to fraction form
    788,109.88/1,182,330.87 = 255,589.39/x
  3. Step 3: Cross multiply
    788,109.88x = 1,182,330.87 × 255,589.39
  4. Step 4: Simplify right side
    788,109.88x = 302,191,225,841.47
  5. Step 5: Solve for x
    x = 302,191,225,841.47/788,109.88
  6. Step 6: Final answer
    x = 383,437.94

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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.