Home / 873,015.12-1,309,539.60-273,995.76

Finding the Fourth Proportional to 873,015.12, 1,309,539.60 and 273,995.76

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Solution

The fourth proportional to 873,015.12, 1,309,539.60 and 273,995.76 is: 410,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,015.12 : 1,309,539.60 = 273,995.76 : x
  2. Step 2: Convert to fraction form
    873,015.12/1,309,539.60 = 273,995.76/x
  3. Step 3: Cross multiply
    873,015.12x = 1,309,539.60 × 273,995.76
  4. Step 4: Simplify right side
    873,015.12x = 358,808,297,952.10
  5. Step 5: Solve for x
    x = 358,808,297,952.10/873,015.12
  6. Step 6: Final answer
    x = 410,998.95

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1.5x scale

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.