Home / 947,511.56-1,307,583.06-517,809.80

Finding the Fourth Proportional to 947,511.56, 1,307,583.06 and 517,809.80

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Solution

The fourth proportional to 947,511.56, 1,307,583.06 and 517,809.80 is: 714,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,511.56 : 1,307,583.06 = 517,809.80 : x
  2. Step 2: Convert to fraction form
    947,511.56/1,307,583.06 = 517,809.80/x
  3. Step 3: Cross multiply
    947,511.56x = 1,307,583.06 × 517,809.80
  4. Step 4: Simplify right side
    947,511.56x = 677,079,322,781.99
  5. Step 5: Solve for x
    x = 677,079,322,781.99/947,511.56
  6. Step 6: Final answer
    x = 714,586.87

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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.