Home / 555,075-766,002.06-300,426.12

Finding the Fourth Proportional to 555,075, 766,002.06 and 300,426.12

Calculator

Solution

The fourth proportional to 555,075, 766,002.06 and 300,426.12 is: 414,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,075 : 766,002.06 = 300,426.12 : x
  2. Step 2: Convert to fraction form
    555,075/766,002.06 = 300,426.12/x
  3. Step 3: Cross multiply
    555,075x = 766,002.06 × 300,426.12
  4. Step 4: Simplify right side
    555,075x = 230,127,026,797.81
  5. Step 5: Solve for x
    x = 230,127,026,797.81/555,075
  6. Step 6: Final answer
    x = 414,587.27

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.