Home / 804,990.32-1,110,913.27-442,427.03

Finding the Fourth Proportional to 804,990.32, 1,110,913.27 and 442,427.03

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Solution

The fourth proportional to 804,990.32, 1,110,913.27 and 442,427.03 is: 610,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,990.32 : 1,110,913.27 = 442,427.03 : x
  2. Step 2: Convert to fraction form
    804,990.32/1,110,913.27 = 442,427.03/x
  3. Step 3: Cross multiply
    804,990.32x = 1,110,913.27 × 442,427.03
  4. Step 4: Simplify right side
    804,990.32x = 491,498,058,633.69
  5. Step 5: Solve for x
    x = 491,498,058,633.69/804,990.32
  6. Step 6: Final answer
    x = 610,563.94

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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.