Home / 804,599.30-1,205,516.55-424,957.70

Finding the Fourth Proportional to 804,599.30, 1,205,516.55 and 424,957.70

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Solution

The fourth proportional to 804,599.30, 1,205,516.55 and 424,957.70 is: 636,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,599.30 : 1,205,516.55 = 424,957.70 : x
  2. Step 2: Convert to fraction form
    804,599.30/1,205,516.55 = 424,957.70/x
  3. Step 3: Cross multiply
    804,599.30x = 1,205,516.55 × 424,957.70
  4. Step 4: Simplify right side
    804,599.30x = 512,293,540,399.94
  5. Step 5: Solve for x
    x = 512,293,540,399.94/804,599.30
  6. Step 6: Final answer
    x = 636,706.42

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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.