Home / 683,601.83-1,025,621.79-478,649.97

Finding the Fourth Proportional to 683,601.83, 1,025,621.79 and 478,649.97

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Solution

The fourth proportional to 683,601.83, 1,025,621.79 and 478,649.97 is: 718,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,601.83 : 1,025,621.79 = 478,649.97 : x
  2. Step 2: Convert to fraction form
    683,601.83/1,025,621.79 = 478,649.97/x
  3. Step 3: Cross multiply
    683,601.83x = 1,025,621.79 × 478,649.97
  4. Step 4: Simplify right side
    683,601.83x = 490,913,838,929.44
  5. Step 5: Solve for x
    x = 490,913,838,929.44/683,601.83
  6. Step 6: Final answer
    x = 718,128.33

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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.