Home / 739,748.08-1,112,262.72-681,289.30

Finding the Fourth Proportional to 739,748.08, 1,112,262.72 and 681,289.30

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Solution

The fourth proportional to 739,748.08, 1,112,262.72 and 681,289.30 is: 1,024,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,748.08 : 1,112,262.72 = 681,289.30 : x
  2. Step 2: Convert to fraction form
    739,748.08/1,112,262.72 = 681,289.30/x
  3. Step 3: Cross multiply
    739,748.08x = 1,112,262.72 × 681,289.30
  4. Step 4: Simplify right side
    739,748.08x = 757,772,689,924.90
  5. Step 5: Solve for x
    x = 757,772,689,924.90/739,748.08
  6. Step 6: Final answer
    x = 1,024,365.88

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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.