Home / 767,756.21-1,151,802.79-235,317.29

Finding the Fourth Proportional to 767,756.21, 1,151,802.79 and 235,317.29

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Solution

The fourth proportional to 767,756.21, 1,151,802.79 and 235,317.29 is: 353,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,756.21 : 1,151,802.79 = 235,317.29 : x
  2. Step 2: Convert to fraction form
    767,756.21/1,151,802.79 = 235,317.29/x
  3. Step 3: Cross multiply
    767,756.21x = 1,151,802.79 × 235,317.29
  4. Step 4: Simplify right side
    767,756.21x = 271,039,110,452.85
  5. Step 5: Solve for x
    x = 271,039,110,452.85/767,756.21
  6. Step 6: Final answer
    x = 353,027.57

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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.