Home / 502,023.44-692,796.12-287,150.24

Finding the Fourth Proportional to 502,023.44, 692,796.12 and 287,150.24

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Solution

The fourth proportional to 502,023.44, 692,796.12 and 287,150.24 is: 396,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,023.44 : 692,796.12 = 287,150.24 : x
  2. Step 2: Convert to fraction form
    502,023.44/692,796.12 = 287,150.24/x
  3. Step 3: Cross multiply
    502,023.44x = 692,796.12 × 287,150.24
  4. Step 4: Simplify right side
    502,023.44x = 198,936,572,129.07
  5. Step 5: Solve for x
    x = 198,936,572,129.07/502,023.44
  6. Step 6: Final answer
    x = 396,269.49

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1.5x scale

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.