Home / 720,543.14-1,079,940.78-529,229.58

Finding the Fourth Proportional to 720,543.14, 1,079,940.78 and 529,229.58

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Solution

The fourth proportional to 720,543.14, 1,079,940.78 and 529,229.58 is: 793,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,543.14 : 1,079,940.78 = 529,229.58 : x
  2. Step 2: Convert to fraction form
    720,543.14/1,079,940.78 = 529,229.58/x
  3. Step 3: Cross multiply
    720,543.14x = 1,079,940.78 × 529,229.58
  4. Step 4: Simplify right side
    720,543.14x = 571,536,605,424.27
  5. Step 5: Solve for x
    x = 571,536,605,424.27/720,543.14
  6. Step 6: Final answer
    x = 793,202.48

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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.