Home / 824,469.60-1,236,704.40-637,615.20

Finding the Fourth Proportional to 824,469.60, 1,236,704.40 and 637,615.20

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Solution

The fourth proportional to 824,469.60, 1,236,704.40 and 637,615.20 is: 956,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,469.60 : 1,236,704.40 = 637,615.20 : x
  2. Step 2: Convert to fraction form
    824,469.60/1,236,704.40 = 637,615.20/x
  3. Step 3: Cross multiply
    824,469.60x = 1,236,704.40 × 637,615.20
  4. Step 4: Simplify right side
    824,469.60x = 788,541,523,346.88
  5. Step 5: Solve for x
    x = 788,541,523,346.88/824,469.60
  6. Step 6: Final answer
    x = 956,422.80

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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.