Home / 988,393.55-1,482,028.55-389,029.82

Finding the Fourth Proportional to 988,393.55, 1,482,028.55 and 389,029.82

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Solution

The fourth proportional to 988,393.55, 1,482,028.55 and 389,029.82 is: 583,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,393.55 : 1,482,028.55 = 389,029.82 : x
  2. Step 2: Convert to fraction form
    988,393.55/1,482,028.55 = 389,029.82/x
  3. Step 3: Cross multiply
    988,393.55x = 1,482,028.55 × 389,029.82
  4. Step 4: Simplify right side
    988,393.55x = 576,553,298,096.21
  5. Step 5: Solve for x
    x = 576,553,298,096.21/988,393.55
  6. Step 6: Final answer
    x = 583,323.61

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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.