Home / 758,128.77-1,136,812.83-252,512.01

Finding the Fourth Proportional to 758,128.77, 1,136,812.83 and 252,512.01

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Solution

The fourth proportional to 758,128.77, 1,136,812.83 and 252,512.01 is: 378,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,128.77 : 1,136,812.83 = 252,512.01 : x
  2. Step 2: Convert to fraction form
    758,128.77/1,136,812.83 = 252,512.01/x
  3. Step 3: Cross multiply
    758,128.77x = 1,136,812.83 × 252,512.01
  4. Step 4: Simplify right side
    758,128.77x = 287,058,892,697.09
  5. Step 5: Solve for x
    x = 287,058,892,697.09/758,128.77
  6. Step 6: Final answer
    x = 378,641.34

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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.