Home / 684,642.24-1,027,206.66-305,528.46

Finding the Fourth Proportional to 684,642.24, 1,027,206.66 and 305,528.46

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Solution

The fourth proportional to 684,642.24, 1,027,206.66 and 305,528.46 is: 458,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,642.24 : 1,027,206.66 = 305,528.46 : x
  2. Step 2: Convert to fraction form
    684,642.24/1,027,206.66 = 305,528.46/x
  3. Step 3: Cross multiply
    684,642.24x = 1,027,206.66 × 305,528.46
  4. Step 4: Simplify right side
    684,642.24x = 313,840,868,931.54
  5. Step 5: Solve for x
    x = 313,840,868,931.54/684,642.24
  6. Step 6: Final answer
    x = 458,401.27

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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.