Home / 785,540.32-1,084,046.93-446,008.57

Finding the Fourth Proportional to 785,540.32, 1,084,046.93 and 446,008.57

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Solution

The fourth proportional to 785,540.32, 1,084,046.93 and 446,008.57 is: 615,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,540.32 : 1,084,046.93 = 446,008.57 : x
  2. Step 2: Convert to fraction form
    785,540.32/1,084,046.93 = 446,008.57/x
  3. Step 3: Cross multiply
    785,540.32x = 1,084,046.93 × 446,008.57
  4. Step 4: Simplify right side
    785,540.32x = 483,494,222,657.29
  5. Step 5: Solve for x
    x = 483,494,222,657.29/785,540.32
  6. Step 6: Final answer
    x = 615,492.56

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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.