Home / 818,611.80-1,227,917.70-503,246.40

Finding the Fourth Proportional to 818,611.80, 1,227,917.70 and 503,246.40

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Solution

The fourth proportional to 818,611.80, 1,227,917.70 and 503,246.40 is: 754,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,611.80 : 1,227,917.70 = 503,246.40 : x
  2. Step 2: Convert to fraction form
    818,611.80/1,227,917.70 = 503,246.40/x
  3. Step 3: Cross multiply
    818,611.80x = 1,227,917.70 × 503,246.40
  4. Step 4: Simplify right side
    818,611.80x = 617,945,162,021.28
  5. Step 5: Solve for x
    x = 617,945,162,021.28/818,611.80
  6. Step 6: Final answer
    x = 754,869.60

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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.