Home / 821,820.95-1,232,731.44-222,782.07

Finding the Fourth Proportional to 821,820.95, 1,232,731.44 and 222,782.07

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Solution

The fourth proportional to 821,820.95, 1,232,731.44 and 222,782.07 is: 334,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,820.95 : 1,232,731.44 = 222,782.07 : x
  2. Step 2: Convert to fraction form
    821,820.95/1,232,731.44 = 222,782.07/x
  3. Step 3: Cross multiply
    821,820.95x = 1,232,731.44 × 222,782.07
  4. Step 4: Simplify right side
    821,820.95x = 274,630,461,957.28
  5. Step 5: Solve for x
    x = 274,630,461,957.28/821,820.95
  6. Step 6: Final answer
    x = 334,173.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.