Home / 714,785.01-986,420.54-388,111.91

Finding the Fourth Proportional to 714,785.01, 986,420.54 and 388,111.91

Calculator

Solution

The fourth proportional to 714,785.01, 986,420.54 and 388,111.91 is: 535,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,785.01 : 986,420.54 = 388,111.91 : x
  2. Step 2: Convert to fraction form
    714,785.01/986,420.54 = 388,111.91/x
  3. Step 3: Cross multiply
    714,785.01x = 986,420.54 × 388,111.91
  4. Step 4: Simplify right side
    714,785.01x = 382,841,559,579.89
  5. Step 5: Solve for x
    x = 382,841,559,579.89/714,785.01
  6. Step 6: Final answer
    x = 535,603.79

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.