Home / 830,247.84-1,244,926.32-261,522.72

Finding the Fourth Proportional to 830,247.84, 1,244,926.32 and 261,522.72

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Solution

The fourth proportional to 830,247.84, 1,244,926.32 and 261,522.72 is: 392,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,247.84 : 1,244,926.32 = 261,522.72 : x
  2. Step 2: Convert to fraction form
    830,247.84/1,244,926.32 = 261,522.72/x
  3. Step 3: Cross multiply
    830,247.84x = 1,244,926.32 × 261,522.72
  4. Step 4: Simplify right side
    830,247.84x = 325,576,517,405.99
  5. Step 5: Solve for x
    x = 325,576,517,405.99/830,247.84
  6. Step 6: Final answer
    x = 392,143.77

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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.