Home / 804,584.30-1,205,494.05-424,942.70

Finding the Fourth Proportional to 804,584.30, 1,205,494.05 and 424,942.70

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Solution

The fourth proportional to 804,584.30, 1,205,494.05 and 424,942.70 is: 636,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,584.30 : 1,205,494.05 = 424,942.70 : x
  2. Step 2: Convert to fraction form
    804,584.30/1,205,494.05 = 424,942.70/x
  3. Step 3: Cross multiply
    804,584.30x = 1,205,494.05 × 424,942.70
  4. Step 4: Simplify right side
    804,584.30x = 512,265,896,440.94
  5. Step 5: Solve for x
    x = 512,265,896,440.94/804,584.30
  6. Step 6: Final answer
    x = 636,683.93

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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.