Home / 778,978.80-1,168,468.20-763,232.40

Finding the Fourth Proportional to 778,978.80, 1,168,468.20 and 763,232.40

Calculator

Solution

The fourth proportional to 778,978.80, 1,168,468.20 and 763,232.40 is: 1,144,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,978.80 : 1,168,468.20 = 763,232.40 : x
  2. Step 2: Convert to fraction form
    778,978.80/1,168,468.20 = 763,232.40/x
  3. Step 3: Cross multiply
    778,978.80x = 1,168,468.20 × 763,232.40
  4. Step 4: Simplify right side
    778,978.80x = 891,812,788,609.68
  5. Step 5: Solve for x
    x = 891,812,788,609.68/778,978.80
  6. Step 6: Final answer
    x = 1,144,848.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.