Home / 788,890.20-1,183,335.30-227,981.40

Finding the Fourth Proportional to 788,890.20, 1,183,335.30 and 227,981.40

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Solution

The fourth proportional to 788,890.20, 1,183,335.30 and 227,981.40 is: 341,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,890.20 : 1,183,335.30 = 227,981.40 : x
  2. Step 2: Convert to fraction form
    788,890.20/1,183,335.30 = 227,981.40/x
  3. Step 3: Cross multiply
    788,890.20x = 1,183,335.30 × 227,981.40
  4. Step 4: Simplify right side
    788,890.20x = 269,778,438,363.42
  5. Step 5: Solve for x
    x = 269,778,438,363.42/788,890.20
  6. Step 6: Final answer
    x = 341,972.10

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Double scale
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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.