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Finding the Fourth Proportional to 631,168.08, 871,007.52 and 344,688.24

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Solution

The fourth proportional to 631,168.08, 871,007.52 and 344,688.24 is: 475,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,168.08 : 871,007.52 = 344,688.24 : x
  2. Step 2: Convert to fraction form
    631,168.08/871,007.52 = 344,688.24/x
  3. Step 3: Cross multiply
    631,168.08x = 871,007.52 × 344,688.24
  4. Step 4: Simplify right side
    631,168.08x = 300,226,049,095.57
  5. Step 5: Solve for x
    x = 300,226,049,095.57/631,168.08
  6. Step 6: Final answer
    x = 475,667.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.