Home / 681,776.90-1,022,665.35-302,551.10

Finding the Fourth Proportional to 681,776.90, 1,022,665.35 and 302,551.10

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Solution

The fourth proportional to 681,776.90, 1,022,665.35 and 302,551.10 is: 453,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,776.90 : 1,022,665.35 = 302,551.10 : x
  2. Step 2: Convert to fraction form
    681,776.90/1,022,665.35 = 302,551.10/x
  3. Step 3: Cross multiply
    681,776.90x = 1,022,665.35 × 302,551.10
  4. Step 4: Simplify right side
    681,776.90x = 309,408,526,574.39
  5. Step 5: Solve for x
    x = 309,408,526,574.39/681,776.90
  6. Step 6: Final answer
    x = 453,826.65

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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.