Home / 827,828.64-1,240,704.72-353,957.76

Finding the Fourth Proportional to 827,828.64, 1,240,704.72 and 353,957.76

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Solution

The fourth proportional to 827,828.64, 1,240,704.72 and 353,957.76 is: 530,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,828.64 : 1,240,704.72 = 353,957.76 : x
  2. Step 2: Convert to fraction form
    827,828.64/1,240,704.72 = 353,957.76/x
  3. Step 3: Cross multiply
    827,828.64x = 1,240,704.72 × 353,957.76
  4. Step 4: Simplify right side
    827,828.64x = 439,157,063,512.63
  5. Step 5: Solve for x
    x = 439,157,063,512.63/827,828.64
  6. Step 6: Final answer
    x = 530,492.72

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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.