Home / 914,923.53-1,262,558.03-507,042.81

Finding the Fourth Proportional to 914,923.53, 1,262,558.03 and 507,042.81

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Solution

The fourth proportional to 914,923.53, 1,262,558.03 and 507,042.81 is: 699,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,923.53 : 1,262,558.03 = 507,042.81 : x
  2. Step 2: Convert to fraction form
    914,923.53/1,262,558.03 = 507,042.81/x
  3. Step 3: Cross multiply
    914,923.53x = 1,262,558.03 × 507,042.81
  4. Step 4: Simplify right side
    914,923.53x = 640,170,968,784.05
  5. Step 5: Solve for x
    x = 640,170,968,784.05/914,923.53
  6. Step 6: Final answer
    x = 699,698.88

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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.