Home / 914,917.53-1,262,570.78-507,018.54

Finding the Fourth Proportional to 914,917.53, 1,262,570.78 and 507,018.54

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Solution

The fourth proportional to 914,917.53, 1,262,570.78 and 507,018.54 is: 699,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,917.53 : 1,262,570.78 = 507,018.54 : x
  2. Step 2: Convert to fraction form
    914,917.53/1,262,570.78 = 507,018.54/x
  3. Step 3: Cross multiply
    914,917.53x = 1,262,570.78 × 507,018.54
  4. Step 4: Simplify right side
    914,917.53x = 640,146,790,987.17
  5. Step 5: Solve for x
    x = 640,146,790,987.17/914,917.53
  6. Step 6: Final answer
    x = 699,677.04

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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.