Home / 777,288.90-1,165,933.44-303,642.12

Finding the Fourth Proportional to 777,288.90, 1,165,933.44 and 303,642.12

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Solution

The fourth proportional to 777,288.90, 1,165,933.44 and 303,642.12 is: 455,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,288.90 : 1,165,933.44 = 303,642.12 : x
  2. Step 2: Convert to fraction form
    777,288.90/1,165,933.44 = 303,642.12/x
  3. Step 3: Cross multiply
    777,288.90x = 1,165,933.44 × 303,642.12
  4. Step 4: Simplify right side
    777,288.90x = 354,026,501,500.49
  5. Step 5: Solve for x
    x = 354,026,501,500.49/777,288.90
  6. Step 6: Final answer
    x = 455,463.22

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1.5x scale

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.