Home / 401,470.44-553,871.10-231,671.76

Finding the Fourth Proportional to 401,470.44, 553,871.10 and 231,671.76

Calculator

Solution

The fourth proportional to 401,470.44, 553,871.10 and 231,671.76 is: 319,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,470.44 : 553,871.10 = 231,671.76 : x
  2. Step 2: Convert to fraction form
    401,470.44/553,871.10 = 231,671.76/x
  3. Step 3: Cross multiply
    401,470.44x = 553,871.10 × 231,671.76
  4. Step 4: Simplify right side
    401,470.44x = 128,316,292,550.14
  5. Step 5: Solve for x
    x = 128,316,292,550.14/401,470.44
  6. Step 6: Final answer
    x = 319,615.79

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.