Home / 872,913.30-1,205,173.80-597,731.64

Finding the Fourth Proportional to 872,913.30, 1,205,173.80 and 597,731.64

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Solution

The fourth proportional to 872,913.30, 1,205,173.80 and 597,731.64 is: 825,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,913.30 : 1,205,173.80 = 597,731.64 : x
  2. Step 2: Convert to fraction form
    872,913.30/1,205,173.80 = 597,731.64/x
  3. Step 3: Cross multiply
    872,913.30x = 1,205,173.80 × 597,731.64
  4. Step 4: Simplify right side
    872,913.30x = 720,370,511,959.03
  5. Step 5: Solve for x
    x = 720,370,511,959.03/872,913.30
  6. Step 6: Final answer
    x = 825,248.64

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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.