Home / 767,980.64-1,151,927.87-235,500.21

Finding the Fourth Proportional to 767,980.64, 1,151,927.87 and 235,500.21

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Solution

The fourth proportional to 767,980.64, 1,151,927.87 and 235,500.21 is: 353,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,980.64 : 1,151,927.87 = 235,500.21 : x
  2. Step 2: Convert to fraction form
    767,980.64/1,151,927.87 = 235,500.21/x
  3. Step 3: Cross multiply
    767,980.64x = 1,151,927.87 × 235,500.21
  4. Step 4: Simplify right side
    767,980.64x = 271,279,254,112.35
  5. Step 5: Solve for x
    x = 271,279,254,112.35/767,980.64
  6. Step 6: Final answer
    x = 353,237.10

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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.