Home / 538,162.12-742,660.27-296,439.09

Finding the Fourth Proportional to 538,162.12, 742,660.27 and 296,439.09

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Solution

The fourth proportional to 538,162.12, 742,660.27 and 296,439.09 is: 409,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,162.12 : 742,660.27 = 296,439.09 : x
  2. Step 2: Convert to fraction form
    538,162.12/742,660.27 = 296,439.09/x
  3. Step 3: Cross multiply
    538,162.12x = 742,660.27 × 296,439.09
  4. Step 4: Simplify right side
    538,162.12x = 220,153,534,617.95
  5. Step 5: Solve for x
    x = 220,153,534,617.95/538,162.12
  6. Step 6: Final answer
    x = 409,084.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.