Home / 808,726.38-1,116,039.24-446,172.80

Finding the Fourth Proportional to 808,726.38, 1,116,039.24 and 446,172.80

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Solution

The fourth proportional to 808,726.38, 1,116,039.24 and 446,172.80 is: 615,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,726.38 : 1,116,039.24 = 446,172.80 : x
  2. Step 2: Convert to fraction form
    808,726.38/1,116,039.24 = 446,172.80/x
  3. Step 3: Cross multiply
    808,726.38x = 1,116,039.24 × 446,172.80
  4. Step 4: Simplify right side
    808,726.38x = 497,946,352,620.67
  5. Step 5: Solve for x
    x = 497,946,352,620.67/808,726.38
  6. Step 6: Final answer
    x = 615,716.72

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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.