Home / 774,596.68-1,161,397.74-300,777.16

Finding the Fourth Proportional to 774,596.68, 1,161,397.74 and 300,777.16

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Solution

The fourth proportional to 774,596.68, 1,161,397.74 and 300,777.16 is: 450,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,596.68 : 1,161,397.74 = 300,777.16 : x
  2. Step 2: Convert to fraction form
    774,596.68/1,161,397.74 = 300,777.16/x
  3. Step 3: Cross multiply
    774,596.68x = 1,161,397.74 × 300,777.16
  4. Step 4: Simplify right side
    774,596.68x = 349,321,913,867.62
  5. Step 5: Solve for x
    x = 349,321,913,867.62/774,596.68
  6. Step 6: Final answer
    x = 450,972.65

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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.