Home / 719,380.15-1,078,326.64-269,783.98

Finding the Fourth Proportional to 719,380.15, 1,078,326.64 and 269,783.98

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Solution

The fourth proportional to 719,380.15, 1,078,326.64 and 269,783.98 is: 404,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,380.15 : 1,078,326.64 = 269,783.98 : x
  2. Step 2: Convert to fraction form
    719,380.15/1,078,326.64 = 269,783.98/x
  3. Step 3: Cross multiply
    719,380.15x = 1,078,326.64 × 269,783.98
  4. Step 4: Simplify right side
    719,380.15x = 290,915,252,679.23
  5. Step 5: Solve for x
    x = 290,915,252,679.23/719,380.15
  6. Step 6: Final answer
    x = 404,397.11

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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.