Home / 947,228.15-1,419,884.84-407,836.26

Finding the Fourth Proportional to 947,228.15, 1,419,884.84 and 407,836.26

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Solution

The fourth proportional to 947,228.15, 1,419,884.84 and 407,836.26 is: 611,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,228.15 : 1,419,884.84 = 407,836.26 : x
  2. Step 2: Convert to fraction form
    947,228.15/1,419,884.84 = 407,836.26/x
  3. Step 3: Cross multiply
    947,228.15x = 1,419,884.84 × 407,836.26
  4. Step 4: Simplify right side
    947,228.15x = 579,080,523,795.89
  5. Step 5: Solve for x
    x = 579,080,523,795.89/947,228.15
  6. Step 6: Final answer
    x = 611,342.18

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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.