Home / 438,399.04-604,955.84-268,609.92

Finding the Fourth Proportional to 438,399.04, 604,955.84 and 268,609.92

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Solution

The fourth proportional to 438,399.04, 604,955.84 and 268,609.92 is: 370,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,399.04 : 604,955.84 = 268,609.92 : x
  2. Step 2: Convert to fraction form
    438,399.04/604,955.84 = 268,609.92/x
  3. Step 3: Cross multiply
    438,399.04x = 604,955.84 × 268,609.92
  4. Step 4: Simplify right side
    438,399.04x = 162,497,139,785.93
  5. Step 5: Solve for x
    x = 162,497,139,785.93/438,399.04
  6. Step 6: Final answer
    x = 370,660.35

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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.