Home / 487,718.36-673,077.49-272,845.61

Finding the Fourth Proportional to 487,718.36, 673,077.49 and 272,845.61

Calculator

Solution

The fourth proportional to 487,718.36, 673,077.49 and 272,845.61 is: 376,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,718.36 : 673,077.49 = 272,845.61 : x
  2. Step 2: Convert to fraction form
    487,718.36/673,077.49 = 272,845.61/x
  3. Step 3: Cross multiply
    487,718.36x = 673,077.49 × 272,845.61
  4. Step 4: Simplify right side
    487,718.36x = 183,646,236,972.09
  5. Step 5: Solve for x
    x = 183,646,236,972.09/487,718.36
  6. Step 6: Final answer
    x = 376,541.57

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.