Home / 808,904.75-1,116,311.92-446,351.96

Finding the Fourth Proportional to 808,904.75, 1,116,311.92 and 446,351.96

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Solution

The fourth proportional to 808,904.75, 1,116,311.92 and 446,351.96 is: 615,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,904.75 : 1,116,311.92 = 446,351.96 : x
  2. Step 2: Convert to fraction form
    808,904.75/1,116,311.92 = 446,351.96/x
  3. Step 3: Cross multiply
    808,904.75x = 1,116,311.92 × 446,351.96
  4. Step 4: Simplify right side
    808,904.75x = 498,268,013,254.00
  5. Step 5: Solve for x
    x = 498,268,013,254.00/808,904.75
  6. Step 6: Final answer
    x = 615,978.60

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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.