Home / 826,647.34-1,240,352.37-377,505.88

Finding the Fourth Proportional to 826,647.34, 1,240,352.37 and 377,505.88

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Solution

The fourth proportional to 826,647.34, 1,240,352.37 and 377,505.88 is: 566,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,647.34 : 1,240,352.37 = 377,505.88 : x
  2. Step 2: Convert to fraction form
    826,647.34/1,240,352.37 = 377,505.88/x
  3. Step 3: Cross multiply
    826,647.34x = 1,240,352.37 × 377,505.88
  4. Step 4: Simplify right side
    826,647.34x = 468,240,315,761.30
  5. Step 5: Solve for x
    x = 468,240,315,761.30/826,647.34
  6. Step 6: Final answer
    x = 566,432.98

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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.