Home / 671,948.40-1,007,922.60-620,626.80

Finding the Fourth Proportional to 671,948.40, 1,007,922.60 and 620,626.80

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Solution

The fourth proportional to 671,948.40, 1,007,922.60 and 620,626.80 is: 930,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,948.40 : 1,007,922.60 = 620,626.80 : x
  2. Step 2: Convert to fraction form
    671,948.40/1,007,922.60 = 620,626.80/x
  3. Step 3: Cross multiply
    671,948.40x = 1,007,922.60 × 620,626.80
  4. Step 4: Simplify right side
    671,948.40x = 625,543,777,885.68
  5. Step 5: Solve for x
    x = 625,543,777,885.68/671,948.40
  6. Step 6: Final answer
    x = 930,940.20

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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.