Home / 731,442.80-1,097,164.20-720,945.20

Finding the Fourth Proportional to 731,442.80, 1,097,164.20 and 720,945.20

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Solution

The fourth proportional to 731,442.80, 1,097,164.20 and 720,945.20 is: 1,081,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,442.80 : 1,097,164.20 = 720,945.20 : x
  2. Step 2: Convert to fraction form
    731,442.80/1,097,164.20 = 720,945.20/x
  3. Step 3: Cross multiply
    731,442.80x = 1,097,164.20 × 720,945.20
  4. Step 4: Simplify right side
    731,442.80x = 790,995,263,601.84
  5. Step 5: Solve for x
    x = 790,995,263,601.84/731,442.80
  6. Step 6: Final answer
    x = 1,081,417.80

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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.