Home / 904,787.28-1,248,706.26-517,638.60

Finding the Fourth Proportional to 904,787.28, 1,248,706.26 and 517,638.60

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Solution

The fourth proportional to 904,787.28, 1,248,706.26 and 517,638.60 is: 714,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,787.28 : 1,248,706.26 = 517,638.60 : x
  2. Step 2: Convert to fraction form
    904,787.28/1,248,706.26 = 517,638.60/x
  3. Step 3: Cross multiply
    904,787.28x = 1,248,706.26 × 517,638.60
  4. Step 4: Simplify right side
    904,787.28x = 646,378,560,237.64
  5. Step 5: Solve for x
    x = 646,378,560,237.64/904,787.28
  6. Step 6: Final answer
    x = 714,398.37

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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.