Home / 764,374.18-1,146,587.15-203,409.22

Finding the Fourth Proportional to 764,374.18, 1,146,587.15 and 203,409.22

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Solution

The fourth proportional to 764,374.18, 1,146,587.15 and 203,409.22 is: 305,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,374.18 : 1,146,587.15 = 203,409.22 : x
  2. Step 2: Convert to fraction form
    764,374.18/1,146,587.15 = 203,409.22/x
  3. Step 3: Cross multiply
    764,374.18x = 1,146,587.15 × 203,409.22
  4. Step 4: Simplify right side
    764,374.18x = 233,226,397,843.52
  5. Step 5: Solve for x
    x = 233,226,397,843.52/764,374.18
  6. Step 6: Final answer
    x = 305,120.72

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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.