Home / 818,234.96-1,227,519.80-344,920.40

Finding the Fourth Proportional to 818,234.96, 1,227,519.80 and 344,920.40

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Solution

The fourth proportional to 818,234.96, 1,227,519.80 and 344,920.40 is: 517,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,234.96 : 1,227,519.80 = 344,920.40 : x
  2. Step 2: Convert to fraction form
    818,234.96/1,227,519.80 = 344,920.40/x
  3. Step 3: Cross multiply
    818,234.96x = 1,227,519.80 × 344,920.40
  4. Step 4: Simplify right side
    818,234.96x = 423,396,620,423.92
  5. Step 5: Solve for x
    x = 423,396,620,423.92/818,234.96
  6. Step 6: Final answer
    x = 517,451.15

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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.