Home / 822,639.57-1,233,956.91-290,032.17

Finding the Fourth Proportional to 822,639.57, 1,233,956.91 and 290,032.17

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Solution

The fourth proportional to 822,639.57, 1,233,956.91 and 290,032.17 is: 435,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,639.57 : 1,233,956.91 = 290,032.17 : x
  2. Step 2: Convert to fraction form
    822,639.57/1,233,956.91 = 290,032.17/x
  3. Step 3: Cross multiply
    822,639.57x = 1,233,956.91 × 290,032.17
  4. Step 4: Simplify right side
    822,639.57x = 357,887,200,293.80
  5. Step 5: Solve for x
    x = 357,887,200,293.80/822,639.57
  6. Step 6: Final answer
    x = 435,047.39

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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.