Home / 804,411.12-1,110,079.92-441,840.60

Finding the Fourth Proportional to 804,411.12, 1,110,079.92 and 441,840.60

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Solution

The fourth proportional to 804,411.12, 1,110,079.92 and 441,840.60 is: 609,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,411.12 : 1,110,079.92 = 441,840.60 : x
  2. Step 2: Convert to fraction form
    804,411.12/1,110,079.92 = 441,840.60/x
  3. Step 3: Cross multiply
    804,411.12x = 1,110,079.92 × 441,840.60
  4. Step 4: Simplify right side
    804,411.12x = 490,478,377,900.75
  5. Step 5: Solve for x
    x = 490,478,377,900.75/804,411.12
  6. Step 6: Final answer
    x = 609,735.95

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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.