Home / 849,486.12-1,172,026.98-481,902.90

Finding the Fourth Proportional to 849,486.12, 1,172,026.98 and 481,902.90

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Solution

The fourth proportional to 849,486.12, 1,172,026.98 and 481,902.90 is: 664,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,486.12 : 1,172,026.98 = 481,902.90 : x
  2. Step 2: Convert to fraction form
    849,486.12/1,172,026.98 = 481,902.90/x
  3. Step 3: Cross multiply
    849,486.12x = 1,172,026.98 × 481,902.90
  4. Step 4: Simplify right side
    849,486.12x = 564,803,200,540.24
  5. Step 5: Solve for x
    x = 564,803,200,540.24/849,486.12
  6. Step 6: Final answer
    x = 664,876.31

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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.