Home / 537,638.40-741,628.80-322,655.04

Finding the Fourth Proportional to 537,638.40, 741,628.80 and 322,655.04

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Solution

The fourth proportional to 537,638.40, 741,628.80 and 322,655.04 is: 445,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,638.40 : 741,628.80 = 322,655.04 : x
  2. Step 2: Convert to fraction form
    537,638.40/741,628.80 = 322,655.04/x
  3. Step 3: Cross multiply
    537,638.40x = 741,628.80 × 322,655.04
  4. Step 4: Simplify right side
    537,638.40x = 239,290,270,129.15
  5. Step 5: Solve for x
    x = 239,290,270,129.15/537,638.40
  6. Step 6: Final answer
    x = 445,076.60

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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.