Home / 400,913.43-553,260.77-219,631.92

Finding the Fourth Proportional to 400,913.43, 553,260.77 and 219,631.92

Calculator

Solution

The fourth proportional to 400,913.43, 553,260.77 and 219,631.92 is: 303,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,913.43 : 553,260.77 = 219,631.92 : x
  2. Step 2: Convert to fraction form
    400,913.43/553,260.77 = 219,631.92/x
  3. Step 3: Cross multiply
    400,913.43x = 553,260.77 × 219,631.92
  4. Step 4: Simplify right side
    400,913.43x = 121,513,724,077.62
  5. Step 5: Solve for x
    x = 121,513,724,077.62/400,913.43
  6. Step 6: Final answer
    x = 303,092.18

Related Problems

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.