Home / 909,891.52-1,255,244.32-527,696.96

Finding the Fourth Proportional to 909,891.52, 1,255,244.32 and 527,696.96

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Solution

The fourth proportional to 909,891.52, 1,255,244.32 and 527,696.96 is: 727,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,891.52 : 1,255,244.32 = 527,696.96 : x
  2. Step 2: Convert to fraction form
    909,891.52/1,255,244.32 = 527,696.96/x
  3. Step 3: Cross multiply
    909,891.52x = 1,255,244.32 × 527,696.96
  4. Step 4: Simplify right side
    909,891.52x = 662,388,611,721.27
  5. Step 5: Solve for x
    x = 662,388,611,721.27/909,891.52
  6. Step 6: Final answer
    x = 727,986.36

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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.