Home / 665,016.32-997,831.20-412,593.32

Finding the Fourth Proportional to 665,016.32, 997,831.20 and 412,593.32

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Solution

The fourth proportional to 665,016.32, 997,831.20 and 412,593.32 is: 619,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,016.32 : 997,831.20 = 412,593.32 : x
  2. Step 2: Convert to fraction form
    665,016.32/997,831.20 = 412,593.32/x
  3. Step 3: Cross multiply
    665,016.32x = 997,831.20 × 412,593.32
  4. Step 4: Simplify right side
    665,016.32x = 411,698,487,607.58
  5. Step 5: Solve for x
    x = 411,698,487,607.58/665,016.32
  6. Step 6: Final answer
    x = 619,080.28

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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.