Home / 911,679.04-1,366,426.29-424,704.91

Finding the Fourth Proportional to 911,679.04, 1,366,426.29 and 424,704.91

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Solution

The fourth proportional to 911,679.04, 1,366,426.29 and 424,704.91 is: 636,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,679.04 : 1,366,426.29 = 424,704.91 : x
  2. Step 2: Convert to fraction form
    911,679.04/1,366,426.29 = 424,704.91/x
  3. Step 3: Cross multiply
    911,679.04x = 1,366,426.29 × 424,704.91
  4. Step 4: Simplify right side
    911,679.04x = 580,327,954,516.08
  5. Step 5: Solve for x
    x = 580,327,954,516.08/911,679.04
  6. Step 6: Final answer
    x = 636,548.53

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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.