Home / 771,495.88-1,157,299.26-266,049.59

Finding the Fourth Proportional to 771,495.88, 1,157,299.26 and 266,049.59

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Solution

The fourth proportional to 771,495.88, 1,157,299.26 and 266,049.59 is: 399,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,495.88 : 1,157,299.26 = 266,049.59 : x
  2. Step 2: Convert to fraction form
    771,495.88/1,157,299.26 = 266,049.59/x
  3. Step 3: Cross multiply
    771,495.88x = 1,157,299.26 × 266,049.59
  4. Step 4: Simplify right side
    771,495.88x = 307,898,993,630.30
  5. Step 5: Solve for x
    x = 307,898,993,630.30/771,495.88
  6. Step 6: Final answer
    x = 399,093.50

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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.