Home / 788,895.20-1,183,342.80-227,986.40

Finding the Fourth Proportional to 788,895.20, 1,183,342.80 and 227,986.40

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Solution

The fourth proportional to 788,895.20, 1,183,342.80 and 227,986.40 is: 341,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,895.20 : 1,183,342.80 = 227,986.40 : x
  2. Step 2: Convert to fraction form
    788,895.20/1,183,342.80 = 227,986.40/x
  3. Step 3: Cross multiply
    788,895.20x = 1,183,342.80 × 227,986.40
  4. Step 4: Simplify right side
    788,895.20x = 269,786,064,937.92
  5. Step 5: Solve for x
    x = 269,786,064,937.92/788,895.20
  6. Step 6: Final answer
    x = 341,979.60

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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.