Home / 721,247.12-990,109.02-619,095.24

Finding the Fourth Proportional to 721,247.12, 990,109.02 and 619,095.24

Calculator

Solution

The fourth proportional to 721,247.12, 990,109.02 and 619,095.24 is: 849,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,247.12 : 990,109.02 = 619,095.24 : x
  2. Step 2: Convert to fraction form
    721,247.12/990,109.02 = 619,095.24/x
  3. Step 3: Cross multiply
    721,247.12x = 990,109.02 × 619,095.24
  4. Step 4: Simplify right side
    721,247.12x = 612,971,781,363.07
  5. Step 5: Solve for x
    x = 612,971,781,363.07/721,247.12
  6. Step 6: Final answer
    x = 849,877.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.