Home / 788,517.95-1,182,776.81-189,479.11

Finding the Fourth Proportional to 788,517.95, 1,182,776.81 and 189,479.11

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Solution

The fourth proportional to 788,517.95, 1,182,776.81 and 189,479.11 is: 284,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,517.95 : 1,182,776.81 = 189,479.11 : x
  2. Step 2: Convert to fraction form
    788,517.95/1,182,776.81 = 189,479.11/x
  3. Step 3: Cross multiply
    788,517.95x = 1,182,776.81 × 189,479.11
  4. Step 4: Simplify right side
    788,517.95x = 224,111,493,383.10
  5. Step 5: Solve for x
    x = 224,111,493,383.10/788,517.95
  6. Step 6: Final answer
    x = 284,218.63

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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.