Home / 808,917.39-1,116,298.98-446,344.65

Finding the Fourth Proportional to 808,917.39, 1,116,298.98 and 446,344.65

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Solution

The fourth proportional to 808,917.39, 1,116,298.98 and 446,344.65 is: 615,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,917.39 : 1,116,298.98 = 446,344.65 : x
  2. Step 2: Convert to fraction form
    808,917.39/1,116,298.98 = 446,344.65/x
  3. Step 3: Cross multiply
    808,917.39x = 1,116,298.98 × 446,344.65
  4. Step 4: Simplify right side
    808,917.39x = 498,254,077,523.46
  5. Step 5: Solve for x
    x = 498,254,077,523.46/808,917.39
  6. Step 6: Final answer
    x = 615,951.74

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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.