Home / 849,862.20-1,275,254.10-376,620.60

Finding the Fourth Proportional to 849,862.20, 1,275,254.10 and 376,620.60

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Solution

The fourth proportional to 849,862.20, 1,275,254.10 and 376,620.60 is: 565,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,862.20 : 1,275,254.10 = 376,620.60 : x
  2. Step 2: Convert to fraction form
    849,862.20/1,275,254.10 = 376,620.60/x
  3. Step 3: Cross multiply
    849,862.20x = 1,275,254.10 × 376,620.60
  4. Step 4: Simplify right side
    849,862.20x = 480,286,964,294.46
  5. Step 5: Solve for x
    x = 480,286,964,294.46/849,862.20
  6. Step 6: Final answer
    x = 565,135.11

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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.