Home / 788,653.59-1,182,980.38-189,614.75

Finding the Fourth Proportional to 788,653.59, 1,182,980.38 and 189,614.75

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Solution

The fourth proportional to 788,653.59, 1,182,980.38 and 189,614.75 is: 284,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,653.59 : 1,182,980.38 = 189,614.75 : x
  2. Step 2: Convert to fraction form
    788,653.59/1,182,980.38 = 189,614.75/x
  3. Step 3: Cross multiply
    788,653.59x = 1,182,980.38 × 189,614.75
  4. Step 4: Simplify right side
    788,653.59x = 224,310,529,008.61
  5. Step 5: Solve for x
    x = 224,310,529,008.61/788,653.59
  6. Step 6: Final answer
    x = 284,422.12

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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.