Home / 849,115.88-1,171,779.90-467,134.46

Finding the Fourth Proportional to 849,115.88, 1,171,779.90 and 467,134.46

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Solution

The fourth proportional to 849,115.88, 1,171,779.90 and 467,134.46 is: 644,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,115.88 : 1,171,779.90 = 467,134.46 : x
  2. Step 2: Convert to fraction form
    849,115.88/1,171,779.90 = 467,134.46/x
  3. Step 3: Cross multiply
    849,115.88x = 1,171,779.90 × 467,134.46
  4. Step 4: Simplify right side
    849,115.88x = 547,378,770,825.35
  5. Step 5: Solve for x
    x = 547,378,770,825.35/849,115.88
  6. Step 6: Final answer
    x = 644,645.55

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1.5x scale

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.