Home / 527,022.25-727,284.62-285,299.48

Finding the Fourth Proportional to 527,022.25, 727,284.62 and 285,299.48

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Solution

The fourth proportional to 527,022.25, 727,284.62 and 285,299.48 is: 393,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,022.25 : 727,284.62 = 285,299.48 : x
  2. Step 2: Convert to fraction form
    527,022.25/727,284.62 = 285,299.48/x
  3. Step 3: Cross multiply
    527,022.25x = 727,284.62 × 285,299.48
  4. Step 4: Simplify right side
    527,022.25x = 207,493,926,429.46
  5. Step 5: Solve for x
    x = 207,493,926,429.46/527,022.25
  6. Step 6: Final answer
    x = 393,710.00

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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.