Home / 839,388.24-1,258,166.04-413,217.36

Finding the Fourth Proportional to 839,388.24, 1,258,166.04 and 413,217.36

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Solution

The fourth proportional to 839,388.24, 1,258,166.04 and 413,217.36 is: 619,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,388.24 : 1,258,166.04 = 413,217.36 : x
  2. Step 2: Convert to fraction form
    839,388.24/1,258,166.04 = 413,217.36/x
  3. Step 3: Cross multiply
    839,388.24x = 1,258,166.04 × 413,217.36
  4. Step 4: Simplify right side
    839,388.24x = 519,896,049,490.45
  5. Step 5: Solve for x
    x = 519,896,049,490.45/839,388.24
  6. Step 6: Final answer
    x = 619,374.95

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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.