Home / 763,080.01-1,143,123.58-442,558.54

Finding the Fourth Proportional to 763,080.01, 1,143,123.58 and 442,558.54

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Solution

The fourth proportional to 763,080.01, 1,143,123.58 and 442,558.54 is: 662,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,080.01 : 1,143,123.58 = 442,558.54 : x
  2. Step 2: Convert to fraction form
    763,080.01/1,143,123.58 = 442,558.54/x
  3. Step 3: Cross multiply
    763,080.01x = 1,143,123.58 × 442,558.54
  4. Step 4: Simplify right side
    763,080.01x = 505,899,102,604.37
  5. Step 5: Solve for x
    x = 505,899,102,604.37/763,080.01
  6. Step 6: Final answer
    x = 662,969.93

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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.