Home / 719,758.30-1,078,995.78-364,589.50

Finding the Fourth Proportional to 719,758.30, 1,078,995.78 and 364,589.50

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Solution

The fourth proportional to 719,758.30, 1,078,995.78 and 364,589.50 is: 546,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,758.30 : 1,078,995.78 = 364,589.50 : x
  2. Step 2: Convert to fraction form
    719,758.30/1,078,995.78 = 364,589.50/x
  3. Step 3: Cross multiply
    719,758.30x = 1,078,995.78 × 364,589.50
  4. Step 4: Simplify right side
    719,758.30x = 393,390,531,932.31
  5. Step 5: Solve for x
    x = 393,390,531,932.31/719,758.30
  6. Step 6: Final answer
    x = 546,559.22

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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.