Home / 766,778.59-1,150,381.25-334,533.87

Finding the Fourth Proportional to 766,778.59, 1,150,381.25 and 334,533.87

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Solution

The fourth proportional to 766,778.59, 1,150,381.25 and 334,533.87 is: 501,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,778.59 : 1,150,381.25 = 334,533.87 : x
  2. Step 2: Convert to fraction form
    766,778.59/1,150,381.25 = 334,533.87/x
  3. Step 3: Cross multiply
    766,778.59x = 1,150,381.25 × 334,533.87
  4. Step 4: Simplify right side
    766,778.59x = 384,841,491,537.94
  5. Step 5: Solve for x
    x = 384,841,491,537.94/766,778.59
  6. Step 6: Final answer
    x = 501,893.89

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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.