Home / 928,000.40-1,392,008.82-367,034.96

Finding the Fourth Proportional to 928,000.40, 1,392,008.82 and 367,034.96

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Solution

The fourth proportional to 928,000.40, 1,392,008.82 and 367,034.96 is: 550,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,000.40 : 1,392,008.82 = 367,034.96 : x
  2. Step 2: Convert to fraction form
    928,000.40/1,392,008.82 = 367,034.96/x
  3. Step 3: Cross multiply
    928,000.40x = 1,392,008.82 × 367,034.96
  4. Step 4: Simplify right side
    928,000.40x = 510,915,901,568.35
  5. Step 5: Solve for x
    x = 510,915,901,568.35/928,000.40
  6. Step 6: Final answer
    x = 550,555.69

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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.