Home / 808,412.30-1,212,411.54-239,660.41

Finding the Fourth Proportional to 808,412.30, 1,212,411.54 and 239,660.41

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Solution

The fourth proportional to 808,412.30, 1,212,411.54 and 239,660.41 is: 359,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,412.30 : 1,212,411.54 = 239,660.41 : x
  2. Step 2: Convert to fraction form
    808,412.30/1,212,411.54 = 239,660.41/x
  3. Step 3: Cross multiply
    808,412.30x = 1,212,411.54 × 239,660.41
  4. Step 4: Simplify right side
    808,412.30x = 290,567,046,765.13
  5. Step 5: Solve for x
    x = 290,567,046,765.13/808,412.30
  6. Step 6: Final answer
    x = 359,429.27

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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.