Home / 947,418.82-1,307,441.37-517,698.94

Finding the Fourth Proportional to 947,418.82, 1,307,441.37 and 517,698.94

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Solution

The fourth proportional to 947,418.82, 1,307,441.37 and 517,698.94 is: 714,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,418.82 : 1,307,441.37 = 517,698.94 : x
  2. Step 2: Convert to fraction form
    947,418.82/1,307,441.37 = 517,698.94/x
  3. Step 3: Cross multiply
    947,418.82x = 1,307,441.37 × 517,698.94
  4. Step 4: Simplify right side
    947,418.82x = 676,861,011,361.15
  5. Step 5: Solve for x
    x = 676,861,011,361.15/947,418.82
  6. Step 6: Final answer
    x = 714,426.39

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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.