Home / 788,476.50-1,088,291.97-449,144.82

Finding the Fourth Proportional to 788,476.50, 1,088,291.97 and 449,144.82

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Solution

The fourth proportional to 788,476.50, 1,088,291.97 and 449,144.82 is: 619,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,476.50 : 1,088,291.97 = 449,144.82 : x
  2. Step 2: Convert to fraction form
    788,476.50/1,088,291.97 = 449,144.82/x
  3. Step 3: Cross multiply
    788,476.50x = 1,088,291.97 × 449,144.82
  4. Step 4: Simplify right side
    788,476.50x = 488,800,700,973.10
  5. Step 5: Solve for x
    x = 488,800,700,973.10/788,476.50
  6. Step 6: Final answer
    x = 619,930.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.