Home / 708,844.13-978,169.32-402,880.13

Finding the Fourth Proportional to 708,844.13, 978,169.32 and 402,880.13

Calculator

Solution

The fourth proportional to 708,844.13, 978,169.32 and 402,880.13 is: 555,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,844.13 : 978,169.32 = 402,880.13 : x
  2. Step 2: Convert to fraction form
    708,844.13/978,169.32 = 402,880.13/x
  3. Step 3: Cross multiply
    708,844.13x = 978,169.32 × 402,880.13
  4. Step 4: Simplify right side
    708,844.13x = 394,084,982,803.61
  5. Step 5: Solve for x
    x = 394,084,982,803.61/708,844.13
  6. Step 6: Final answer
    x = 555,954.36

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.