Home / 902,269.72-1,245,049.54-520,222.69

Finding the Fourth Proportional to 902,269.72, 1,245,049.54 and 520,222.69

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Solution

The fourth proportional to 902,269.72, 1,245,049.54 and 520,222.69 is: 717,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,269.72 : 1,245,049.54 = 520,222.69 : x
  2. Step 2: Convert to fraction form
    902,269.72/1,245,049.54 = 520,222.69/x
  3. Step 3: Cross multiply
    902,269.72x = 1,245,049.54 × 520,222.69
  4. Step 4: Simplify right side
    902,269.72x = 647,703,020,882.06
  5. Step 5: Solve for x
    x = 647,703,020,882.06/902,269.72
  6. Step 6: Final answer
    x = 717,859.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.