Home / 930,504.40-1,397,830.20-892,718.80

Finding the Fourth Proportional to 930,504.40, 1,397,830.20 and 892,718.80

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Solution

The fourth proportional to 930,504.40, 1,397,830.20 and 892,718.80 is: 1,341,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,504.40 : 1,397,830.20 = 892,718.80 : x
  2. Step 2: Convert to fraction form
    930,504.40/1,397,830.20 = 892,718.80/x
  3. Step 3: Cross multiply
    930,504.40x = 1,397,830.20 × 892,718.80
  4. Step 4: Simplify right side
    930,504.40x = 1,247,869,298,747.76
  5. Step 5: Solve for x
    x = 1,247,869,298,747.76/930,504.40
  6. Step 6: Final answer
    x = 1,341,067.60

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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.