Home / 992,588.82-1,488,282.58-445,380.92

Finding the Fourth Proportional to 992,588.82, 1,488,282.58 and 445,380.92

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Solution

The fourth proportional to 992,588.82, 1,488,282.58 and 445,380.92 is: 667,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,588.82 : 1,488,282.58 = 445,380.92 : x
  2. Step 2: Convert to fraction form
    992,588.82/1,488,282.58 = 445,380.92/x
  3. Step 3: Cross multiply
    992,588.82x = 1,488,282.58 × 445,380.92
  4. Step 4: Simplify right side
    992,588.82x = 662,852,664,700.37
  5. Step 5: Solve for x
    x = 662,852,664,700.37/992,588.82
  6. Step 6: Final answer
    x = 667,801.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.