Home / 763,908.96-1,145,921.28-231,473.76

Finding the Fourth Proportional to 763,908.96, 1,145,921.28 and 231,473.76

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Solution

The fourth proportional to 763,908.96, 1,145,921.28 and 231,473.76 is: 347,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,908.96 : 1,145,921.28 = 231,473.76 : x
  2. Step 2: Convert to fraction form
    763,908.96/1,145,921.28 = 231,473.76/x
  3. Step 3: Cross multiply
    763,908.96x = 1,145,921.28 × 231,473.76
  4. Step 4: Simplify right side
    763,908.96x = 265,250,707,345.61
  5. Step 5: Solve for x
    x = 265,250,707,345.61/763,908.96
  6. Step 6: Final answer
    x = 347,228.17

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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.