Home / 720,545.14-1,079,943.78-529,231.58

Finding the Fourth Proportional to 720,545.14, 1,079,943.78 and 529,231.58

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Solution

The fourth proportional to 720,545.14, 1,079,943.78 and 529,231.58 is: 793,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,545.14 : 1,079,943.78 = 529,231.58 : x
  2. Step 2: Convert to fraction form
    720,545.14/1,079,943.78 = 529,231.58/x
  3. Step 3: Cross multiply
    720,545.14x = 1,079,943.78 × 529,231.58
  4. Step 4: Simplify right side
    720,545.14x = 571,540,353,000.57
  5. Step 5: Solve for x
    x = 571,540,353,000.57/720,545.14
  6. Step 6: Final answer
    x = 793,205.48

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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.