Home / 891,275.94-1,230,117.98-528,899.63

Finding the Fourth Proportional to 891,275.94, 1,230,117.98 and 528,899.63

Calculator

Solution

The fourth proportional to 891,275.94, 1,230,117.98 and 528,899.63 is: 729,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,275.94 : 1,230,117.98 = 528,899.63 : x
  2. Step 2: Convert to fraction form
    891,275.94/1,230,117.98 = 528,899.63/x
  3. Step 3: Cross multiply
    891,275.94x = 1,230,117.98 × 528,899.63
  4. Step 4: Simplify right side
    891,275.94x = 650,608,935,683.26
  5. Step 5: Solve for x
    x = 650,608,935,683.26/891,275.94
  6. Step 6: Final answer
    x = 729,974.75

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.