Home / 864,830.40-1,297,245.60-332,368.80

Finding the Fourth Proportional to 864,830.40, 1,297,245.60 and 332,368.80

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Solution

The fourth proportional to 864,830.40, 1,297,245.60 and 332,368.80 is: 498,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,830.40 : 1,297,245.60 = 332,368.80 : x
  2. Step 2: Convert to fraction form
    864,830.40/1,297,245.60 = 332,368.80/x
  3. Step 3: Cross multiply
    864,830.40x = 1,297,245.60 × 332,368.80
  4. Step 4: Simplify right side
    864,830.40x = 431,163,963,377.28
  5. Step 5: Solve for x
    x = 431,163,963,377.28/864,830.40
  6. Step 6: Final answer
    x = 498,553.20

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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.