Home / 947,417.82-1,307,439.99-517,697.94

Finding the Fourth Proportional to 947,417.82, 1,307,439.99 and 517,697.94

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Solution

The fourth proportional to 947,417.82, 1,307,439.99 and 517,697.94 is: 714,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,417.82 : 1,307,439.99 = 517,697.94 : x
  2. Step 2: Convert to fraction form
    947,417.82/1,307,439.99 = 517,697.94/x
  3. Step 3: Cross multiply
    947,417.82x = 1,307,439.99 × 517,697.94
  4. Step 4: Simplify right side
    947,417.82x = 676,858,989,496.62
  5. Step 5: Solve for x
    x = 676,858,989,496.62/947,417.82
  6. Step 6: Final answer
    x = 714,425.01

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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.