Home / 997,812.80-1,496,719.20-323,892.80

Finding the Fourth Proportional to 997,812.80, 1,496,719.20 and 323,892.80

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Solution

The fourth proportional to 997,812.80, 1,496,719.20 and 323,892.80 is: 485,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,812.80 : 1,496,719.20 = 323,892.80 : x
  2. Step 2: Convert to fraction form
    997,812.80/1,496,719.20 = 323,892.80/x
  3. Step 3: Cross multiply
    997,812.80x = 1,496,719.20 × 323,892.80
  4. Step 4: Simplify right side
    997,812.80x = 484,776,572,501.76
  5. Step 5: Solve for x
    x = 484,776,572,501.76/997,812.80
  6. Step 6: Final answer
    x = 485,839.20

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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.