Home / 804,923.28-1,110,740.43-442,339.35

Finding the Fourth Proportional to 804,923.28, 1,110,740.43 and 442,339.35

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Solution

The fourth proportional to 804,923.28, 1,110,740.43 and 442,339.35 is: 610,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,923.28 : 1,110,740.43 = 442,339.35 : x
  2. Step 2: Convert to fraction form
    804,923.28/1,110,740.43 = 442,339.35/x
  3. Step 3: Cross multiply
    804,923.28x = 1,110,740.43 × 442,339.35
  4. Step 4: Simplify right side
    804,923.28x = 491,324,199,824.92
  5. Step 5: Solve for x
    x = 491,324,199,824.92/804,923.28
  6. Step 6: Final answer
    x = 610,398.79

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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.