Home / 808,785.60-1,116,116.40-446,212.38

Finding the Fourth Proportional to 808,785.60, 1,116,116.40 and 446,212.38

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Solution

The fourth proportional to 808,785.60, 1,116,116.40 and 446,212.38 is: 615,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,785.60 : 1,116,116.40 = 446,212.38 : x
  2. Step 2: Convert to fraction form
    808,785.60/1,116,116.40 = 446,212.38/x
  3. Step 3: Cross multiply
    808,785.60x = 1,116,116.40 × 446,212.38
  4. Step 4: Simplify right side
    808,785.60x = 498,024,955,201.03
  5. Step 5: Solve for x
    x = 498,024,955,201.03/808,785.60
  6. Step 6: Final answer
    x = 615,768.82

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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.