Home / 508,879.70-763,319.55-260,047.70

Finding the Fourth Proportional to 508,879.70, 763,319.55 and 260,047.70

Calculator

Solution

The fourth proportional to 508,879.70, 763,319.55 and 260,047.70 is: 390,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,879.70 : 763,319.55 = 260,047.70 : x
  2. Step 2: Convert to fraction form
    508,879.70/763,319.55 = 260,047.70/x
  3. Step 3: Cross multiply
    508,879.70x = 763,319.55 × 260,047.70
  4. Step 4: Simplify right side
    508,879.70x = 198,499,493,342.54
  5. Step 5: Solve for x
    x = 198,499,493,342.54/508,879.70
  6. Step 6: Final answer
    x = 390,071.55

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.