Home / 641,988.80-963,403.34-242,629.62

Finding the Fourth Proportional to 641,988.80, 963,403.34 and 242,629.62

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Solution

The fourth proportional to 641,988.80, 963,403.34 and 242,629.62 is: 364,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,988.80 : 963,403.34 = 242,629.62 : x
  2. Step 2: Convert to fraction form
    641,988.80/963,403.34 = 242,629.62/x
  3. Step 3: Cross multiply
    641,988.80x = 963,403.34 × 242,629.62
  4. Step 4: Simplify right side
    641,988.80x = 233,750,186,290.93
  5. Step 5: Solve for x
    x = 233,750,186,290.93/641,988.80
  6. Step 6: Final answer
    x = 364,103.22

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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.