Home / 827,168.34-1,239,008.78-378,266.96

Finding the Fourth Proportional to 827,168.34, 1,239,008.78 and 378,266.96

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Solution

The fourth proportional to 827,168.34, 1,239,008.78 and 378,266.96 is: 566,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,168.34 : 1,239,008.78 = 378,266.96 : x
  2. Step 2: Convert to fraction form
    827,168.34/1,239,008.78 = 378,266.96/x
  3. Step 3: Cross multiply
    827,168.34x = 1,239,008.78 × 378,266.96
  4. Step 4: Simplify right side
    827,168.34x = 468,676,076,537.53
  5. Step 5: Solve for x
    x = 468,676,076,537.53/827,168.34
  6. Step 6: Final answer
    x = 566,603.02

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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.