Home / 687,591.84-948,829.24-381,644.16

Finding the Fourth Proportional to 687,591.84, 948,829.24 and 381,644.16

Calculator

Solution

The fourth proportional to 687,591.84, 948,829.24 and 381,644.16 is: 526,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,591.84 : 948,829.24 = 381,644.16 : x
  2. Step 2: Convert to fraction form
    687,591.84/948,829.24 = 381,644.16/x
  3. Step 3: Cross multiply
    687,591.84x = 948,829.24 × 381,644.16
  4. Step 4: Simplify right side
    687,591.84x = 362,115,138,283.24
  5. Step 5: Solve for x
    x = 362,115,138,283.24/687,591.84
  6. Step 6: Final answer
    x = 526,642.58

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.