Home / 683,443.08-943,147.70-377,540.52

Finding the Fourth Proportional to 683,443.08, 943,147.70 and 377,540.52

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Solution

The fourth proportional to 683,443.08, 943,147.70 and 377,540.52 is: 521,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,443.08 : 943,147.70 = 377,540.52 : x
  2. Step 2: Convert to fraction form
    683,443.08/943,147.70 = 377,540.52/x
  3. Step 3: Cross multiply
    683,443.08x = 943,147.70 × 377,540.52
  4. Step 4: Simplify right side
    683,443.08x = 356,076,473,094.80
  5. Step 5: Solve for x
    x = 356,076,473,094.80/683,443.08
  6. Step 6: Final answer
    x = 521,003.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.