Home / 862,072.80-1,293,109.20-301,034.40

Finding the Fourth Proportional to 862,072.80, 1,293,109.20 and 301,034.40

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Solution

The fourth proportional to 862,072.80, 1,293,109.20 and 301,034.40 is: 451,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,072.80 : 1,293,109.20 = 301,034.40 : x
  2. Step 2: Convert to fraction form
    862,072.80/1,293,109.20 = 301,034.40/x
  3. Step 3: Cross multiply
    862,072.80x = 1,293,109.20 × 301,034.40
  4. Step 4: Simplify right side
    862,072.80x = 389,270,352,156.48
  5. Step 5: Solve for x
    x = 389,270,352,156.48/862,072.80
  6. Step 6: Final answer
    x = 451,551.60

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1.5x scale

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.