Home / 947,634.41-1,307,732.36-517,914.42

Finding the Fourth Proportional to 947,634.41, 1,307,732.36 and 517,914.42

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Solution

The fourth proportional to 947,634.41, 1,307,732.36 and 517,914.42 is: 714,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,634.41 : 1,307,732.36 = 517,914.42 : x
  2. Step 2: Convert to fraction form
    947,634.41/1,307,732.36 = 517,914.42/x
  3. Step 3: Cross multiply
    947,634.41x = 1,307,732.36 × 517,914.42
  4. Step 4: Simplify right side
    947,634.41x = 677,293,444,155.06
  5. Step 5: Solve for x
    x = 677,293,444,155.06/947,634.41
  6. Step 6: Final answer
    x = 714,720.19

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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.