Home / 753,207.71-1,039,577.51-447,453.95

Finding the Fourth Proportional to 753,207.71, 1,039,577.51 and 447,453.95

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Solution

The fourth proportional to 753,207.71, 1,039,577.51 and 447,453.95 is: 617,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,207.71 : 1,039,577.51 = 447,453.95 : x
  2. Step 2: Convert to fraction form
    753,207.71/1,039,577.51 = 447,453.95/x
  3. Step 3: Cross multiply
    753,207.71x = 1,039,577.51 × 447,453.95
  4. Step 4: Simplify right side
    753,207.71x = 465,163,064,949.04
  5. Step 5: Solve for x
    x = 465,163,064,949.04/753,207.71
  6. Step 6: Final answer
    x = 617,576.08

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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.