Home / 538,710.48-743,417.76-296,992.32

Finding the Fourth Proportional to 538,710.48, 743,417.76 and 296,992.32

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Solution

The fourth proportional to 538,710.48, 743,417.76 and 296,992.32 is: 409,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,710.48 : 743,417.76 = 296,992.32 : x
  2. Step 2: Convert to fraction form
    538,710.48/743,417.76 = 296,992.32/x
  3. Step 3: Cross multiply
    538,710.48x = 743,417.76 × 296,992.32
  4. Step 4: Simplify right side
    538,710.48x = 220,789,365,271.60
  5. Step 5: Solve for x
    x = 220,789,365,271.60/538,710.48
  6. Step 6: Final answer
    x = 409,847.91

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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.