Home / 769,000.92-1,153,234.22-427,964.76

Finding the Fourth Proportional to 769,000.92, 1,153,234.22 and 427,964.76

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Solution

The fourth proportional to 769,000.92, 1,153,234.22 and 427,964.76 is: 641,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,000.92 : 1,153,234.22 = 427,964.76 : x
  2. Step 2: Convert to fraction form
    769,000.92/1,153,234.22 = 427,964.76/x
  3. Step 3: Cross multiply
    769,000.92x = 1,153,234.22 × 427,964.76
  4. Step 4: Simplify right side
    769,000.92x = 493,543,606,186.09
  5. Step 5: Solve for x
    x = 493,543,606,186.09/769,000.92
  6. Step 6: Final answer
    x = 641,798.46

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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.