Home / 1,018,748.40-1,527,733.80-308,540.40

Finding the Fourth Proportional to 1,018,748.40, 1,527,733.80 and 308,540.40

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Solution

The fourth proportional to 1,018,748.40, 1,527,733.80 and 308,540.40 is: 462,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,748.40 : 1,527,733.80 = 308,540.40 : x
  2. Step 2: Convert to fraction form
    1,018,748.40/1,527,733.80 = 308,540.40/x
  3. Step 3: Cross multiply
    1,018,748.40x = 1,527,733.80 × 308,540.40
  4. Step 4: Simplify right side
    1,018,748.40x = 471,367,597,745.52
  5. Step 5: Solve for x
    x = 471,367,597,745.52/1,018,748.40
  6. Step 6: Final answer
    x = 462,692.85

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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.