Home / 822,642.57-1,233,961.41-290,035.17

Finding the Fourth Proportional to 822,642.57, 1,233,961.41 and 290,035.17

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Solution

The fourth proportional to 822,642.57, 1,233,961.41 and 290,035.17 is: 435,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,642.57 : 1,233,961.41 = 290,035.17 : x
  2. Step 2: Convert to fraction form
    822,642.57/1,233,961.41 = 290,035.17/x
  3. Step 3: Cross multiply
    822,642.57x = 1,233,961.41 × 290,035.17
  4. Step 4: Simplify right side
    822,642.57x = 357,892,207,322.79
  5. Step 5: Solve for x
    x = 357,892,207,322.79/822,642.57
  6. Step 6: Final answer
    x = 435,051.89

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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.