Home / 727,980.40-1,091,973.20-222,539.36

Finding the Fourth Proportional to 727,980.40, 1,091,973.20 and 222,539.36

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Solution

The fourth proportional to 727,980.40, 1,091,973.20 and 222,539.36 is: 333,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,980.40 : 1,091,973.20 = 222,539.36 : x
  2. Step 2: Convert to fraction form
    727,980.40/1,091,973.20 = 222,539.36/x
  3. Step 3: Cross multiply
    727,980.40x = 1,091,973.20 × 222,539.36
  4. Step 4: Simplify right side
    727,980.40x = 243,007,017,065.15
  5. Step 5: Solve for x
    x = 243,007,017,065.15/727,980.40
  6. Step 6: Final answer
    x = 333,809.83

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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.