Home / 947,570.45-1,307,737.39-517,915.17

Finding the Fourth Proportional to 947,570.45, 1,307,737.39 and 517,915.17

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Solution

The fourth proportional to 947,570.45, 1,307,737.39 and 517,915.17 is: 714,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,570.45 : 1,307,737.39 = 517,915.17 : x
  2. Step 2: Convert to fraction form
    947,570.45/1,307,737.39 = 517,915.17/x
  3. Step 3: Cross multiply
    947,570.45x = 1,307,737.39 × 517,915.17
  4. Step 4: Simplify right side
    947,570.45x = 677,297,031,362.42
  5. Step 5: Solve for x
    x = 677,297,031,362.42/947,570.45
  6. Step 6: Final answer
    x = 714,772.22

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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.