Home / 804,919.74-1,110,794.52-442,373.46

Finding the Fourth Proportional to 804,919.74, 1,110,794.52 and 442,373.46

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Solution

The fourth proportional to 804,919.74, 1,110,794.52 and 442,373.46 is: 610,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,919.74 : 1,110,794.52 = 442,373.46 : x
  2. Step 2: Convert to fraction form
    804,919.74/1,110,794.52 = 442,373.46/x
  3. Step 3: Cross multiply
    804,919.74x = 1,110,794.52 × 442,373.46
  4. Step 4: Simplify right side
    804,919.74x = 491,386,015,161.44
  5. Step 5: Solve for x
    x = 491,386,015,161.44/804,919.74
  6. Step 6: Final answer
    x = 610,478.28

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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.