Home / 947,223.64-1,419,878.08-407,831.76

Finding the Fourth Proportional to 947,223.64, 1,419,878.08 and 407,831.76

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Solution

The fourth proportional to 947,223.64, 1,419,878.08 and 407,831.76 is: 611,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,223.64 : 1,419,878.08 = 407,831.76 : x
  2. Step 2: Convert to fraction form
    947,223.64/1,419,878.08 = 407,831.76/x
  3. Step 3: Cross multiply
    947,223.64x = 1,419,878.08 × 407,831.76
  4. Step 4: Simplify right side
    947,223.64x = 579,071,378,008.64
  5. Step 5: Solve for x
    x = 579,071,378,008.64/947,223.64
  6. Step 6: Final answer
    x = 611,335.43

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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.