Home / 804,976.90-1,207,611.15-404,610.10

Finding the Fourth Proportional to 804,976.90, 1,207,611.15 and 404,610.10

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Solution

The fourth proportional to 804,976.90, 1,207,611.15 and 404,610.10 is: 606,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,976.90 : 1,207,611.15 = 404,610.10 : x
  2. Step 2: Convert to fraction form
    804,976.90/1,207,611.15 = 404,610.10/x
  3. Step 3: Cross multiply
    804,976.90x = 1,207,611.15 × 404,610.10
  4. Step 4: Simplify right side
    804,976.90x = 488,611,668,162.62
  5. Step 5: Solve for x
    x = 488,611,668,162.62/804,976.90
  6. Step 6: Final answer
    x = 606,988.43

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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.