Home / 762,267.74-1,143,574.10-256,814.97

Finding the Fourth Proportional to 762,267.74, 1,143,574.10 and 256,814.97

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Solution

The fourth proportional to 762,267.74, 1,143,574.10 and 256,814.97 is: 385,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,267.74 : 1,143,574.10 = 256,814.97 : x
  2. Step 2: Convert to fraction form
    762,267.74/1,143,574.10 = 256,814.97/x
  3. Step 3: Cross multiply
    762,267.74x = 1,143,574.10 × 256,814.97
  4. Step 4: Simplify right side
    762,267.74x = 293,686,945,183.01
  5. Step 5: Solve for x
    x = 293,686,945,183.01/762,267.74
  6. Step 6: Final answer
    x = 385,280.56

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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.