Home / 822,065.28-1,233,158.40-348,696.96

Finding the Fourth Proportional to 822,065.28, 1,233,158.40 and 348,696.96

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Solution

The fourth proportional to 822,065.28, 1,233,158.40 and 348,696.96 is: 523,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,065.28 : 1,233,158.40 = 348,696.96 : x
  2. Step 2: Convert to fraction form
    822,065.28/1,233,158.40 = 348,696.96/x
  3. Step 3: Cross multiply
    822,065.28x = 1,233,158.40 × 348,696.96
  4. Step 4: Simplify right side
    822,065.28x = 429,998,585,278.46
  5. Step 5: Solve for x
    x = 429,998,585,278.46/822,065.28
  6. Step 6: Final answer
    x = 523,071.09

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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.