Home / 810,846.20-1,215,861.30-249,807.80

Finding the Fourth Proportional to 810,846.20, 1,215,861.30 and 249,807.80

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Solution

The fourth proportional to 810,846.20, 1,215,861.30 and 249,807.80 is: 374,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,846.20 : 1,215,861.30 = 249,807.80 : x
  2. Step 2: Convert to fraction form
    810,846.20/1,215,861.30 = 249,807.80/x
  3. Step 3: Cross multiply
    810,846.20x = 1,215,861.30 × 249,807.80
  4. Step 4: Simplify right side
    810,846.20x = 303,731,636,458.14
  5. Step 5: Solve for x
    x = 303,731,636,458.14/810,846.20
  6. Step 6: Final answer
    x = 374,586.00

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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.