Home / 583,912.72-805,800.72-315,640.72

Finding the Fourth Proportional to 583,912.72, 805,800.72 and 315,640.72

Calculator

Solution

The fourth proportional to 583,912.72, 805,800.72 and 315,640.72 is: 435,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,912.72 : 805,800.72 = 315,640.72 : x
  2. Step 2: Convert to fraction form
    583,912.72/805,800.72 = 315,640.72/x
  3. Step 3: Cross multiply
    583,912.72x = 805,800.72 × 315,640.72
  4. Step 4: Simplify right side
    583,912.72x = 254,343,519,437.32
  5. Step 5: Solve for x
    x = 254,343,519,437.32/583,912.72
  6. Step 6: Final answer
    x = 435,584.82

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.