Home / 988,147.52-1,363,648.32-535,439.36

Finding the Fourth Proportional to 988,147.52, 1,363,648.32 and 535,439.36

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Solution

The fourth proportional to 988,147.52, 1,363,648.32 and 535,439.36 is: 738,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,147.52 : 1,363,648.32 = 535,439.36 : x
  2. Step 2: Convert to fraction form
    988,147.52/1,363,648.32 = 535,439.36/x
  3. Step 3: Cross multiply
    988,147.52x = 1,363,648.32 × 535,439.36
  4. Step 4: Simplify right side
    988,147.52x = 730,150,983,725.88
  5. Step 5: Solve for x
    x = 730,150,983,725.88/988,147.52
  6. Step 6: Final answer
    x = 738,908.89

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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.