Home / 905,899.84-1,359,059.52-266,213.32

Finding the Fourth Proportional to 905,899.84, 1,359,059.52 and 266,213.32

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Solution

The fourth proportional to 905,899.84, 1,359,059.52 and 266,213.32 is: 399,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,899.84 : 1,359,059.52 = 266,213.32 : x
  2. Step 2: Convert to fraction form
    905,899.84/1,359,059.52 = 266,213.32/x
  3. Step 3: Cross multiply
    905,899.84x = 1,359,059.52 × 266,213.32
  4. Step 4: Simplify right side
    905,899.84x = 361,799,746,896.81
  5. Step 5: Solve for x
    x = 361,799,746,896.81/905,899.84
  6. Step 6: Final answer
    x = 399,381.62

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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.