Home / 740,021.67-1,108,920.78-571,287.33

Finding the Fourth Proportional to 740,021.67, 1,108,920.78 and 571,287.33

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Solution

The fourth proportional to 740,021.67, 1,108,920.78 and 571,287.33 is: 856,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,021.67 : 1,108,920.78 = 571,287.33 : x
  2. Step 2: Convert to fraction form
    740,021.67/1,108,920.78 = 571,287.33/x
  3. Step 3: Cross multiply
    740,021.67x = 1,108,920.78 × 571,287.33
  4. Step 4: Simplify right side
    740,021.67x = 633,512,391,587.72
  5. Step 5: Solve for x
    x = 633,512,391,587.72/740,021.67
  6. Step 6: Final answer
    x = 856,072.76

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1.5x scale

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.