Home / 738,379.80-1,107,815.40-265,102.20

Finding the Fourth Proportional to 738,379.80, 1,107,815.40 and 265,102.20

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Solution

The fourth proportional to 738,379.80, 1,107,815.40 and 265,102.20 is: 397,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,379.80 : 1,107,815.40 = 265,102.20 : x
  2. Step 2: Convert to fraction form
    738,379.80/1,107,815.40 = 265,102.20/x
  3. Step 3: Cross multiply
    738,379.80x = 1,107,815.40 × 265,102.20
  4. Step 4: Simplify right side
    738,379.80x = 293,684,299,733.88
  5. Step 5: Solve for x
    x = 293,684,299,733.88/738,379.80
  6. Step 6: Final answer
    x = 397,741.51

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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.