Home / 848,044.62-1,272,129.21-315,565.56

Finding the Fourth Proportional to 848,044.62, 1,272,129.21 and 315,565.56

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Solution

The fourth proportional to 848,044.62, 1,272,129.21 and 315,565.56 is: 473,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,044.62 : 1,272,129.21 = 315,565.56 : x
  2. Step 2: Convert to fraction form
    848,044.62/1,272,129.21 = 315,565.56/x
  3. Step 3: Cross multiply
    848,044.62x = 1,272,129.21 × 315,565.56
  4. Step 4: Simplify right side
    848,044.62x = 401,440,166,546.01
  5. Step 5: Solve for x
    x = 401,440,166,546.01/848,044.62
  6. Step 6: Final answer
    x = 473,371.51

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Double scale
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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.