Home / 733,848.71-1,012,821.91-447,534.88

Finding the Fourth Proportional to 733,848.71, 1,012,821.91 and 447,534.88

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Solution

The fourth proportional to 733,848.71, 1,012,821.91 and 447,534.88 is: 617,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,848.71 : 1,012,821.91 = 447,534.88 : x
  2. Step 2: Convert to fraction form
    733,848.71/1,012,821.91 = 447,534.88/x
  3. Step 3: Cross multiply
    733,848.71x = 1,012,821.91 × 447,534.88
  4. Step 4: Simplify right side
    733,848.71x = 453,273,128,302.33
  5. Step 5: Solve for x
    x = 453,273,128,302.33/733,848.71
  6. Step 6: Final answer
    x = 617,665.64

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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.