Home / 699,619.85-1,049,369.33-425,995.17

Finding the Fourth Proportional to 699,619.85, 1,049,369.33 and 425,995.17

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Solution

The fourth proportional to 699,619.85, 1,049,369.33 and 425,995.17 is: 638,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,619.85 : 1,049,369.33 = 425,995.17 : x
  2. Step 2: Convert to fraction form
    699,619.85/1,049,369.33 = 425,995.17/x
  3. Step 3: Cross multiply
    699,619.85x = 1,049,369.33 × 425,995.17
  4. Step 4: Simplify right side
    699,619.85x = 447,026,267,191.12
  5. Step 5: Solve for x
    x = 447,026,267,191.12/699,619.85
  6. Step 6: Final answer
    x = 638,955.95

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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.