Home / 724,579.20-1,083,369.60-535,622.40

Finding the Fourth Proportional to 724,579.20, 1,083,369.60 and 535,622.40

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Solution

The fourth proportional to 724,579.20, 1,083,369.60 and 535,622.40 is: 800,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,579.20 : 1,083,369.60 = 535,622.40 : x
  2. Step 2: Convert to fraction form
    724,579.20/1,083,369.60 = 535,622.40/x
  3. Step 3: Cross multiply
    724,579.20x = 1,083,369.60 × 535,622.40
  4. Step 4: Simplify right side
    724,579.20x = 580,277,025,239.04
  5. Step 5: Solve for x
    x = 580,277,025,239.04/724,579.20
  6. Step 6: Final answer
    x = 800,846.93

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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.