Home / 772,031.64-1,158,202.24-266,611.20

Finding the Fourth Proportional to 772,031.64, 1,158,202.24 and 266,611.20

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Solution

The fourth proportional to 772,031.64, 1,158,202.24 and 266,611.20 is: 399,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,031.64 : 1,158,202.24 = 266,611.20 : x
  2. Step 2: Convert to fraction form
    772,031.64/1,158,202.24 = 266,611.20/x
  3. Step 3: Cross multiply
    772,031.64x = 1,158,202.24 × 266,611.20
  4. Step 4: Simplify right side
    772,031.64x = 308,789,689,049.09
  5. Step 5: Solve for x
    x = 308,789,689,049.09/772,031.64
  6. Step 6: Final answer
    x = 399,970.25

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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.