Home / 778,737.75-1,074,658.10-421,041.75

Finding the Fourth Proportional to 778,737.75, 1,074,658.10 and 421,041.75

Calculator

Solution

The fourth proportional to 778,737.75, 1,074,658.10 and 421,041.75 is: 581,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,737.75 : 1,074,658.10 = 421,041.75 : x
  2. Step 2: Convert to fraction form
    778,737.75/1,074,658.10 = 421,041.75/x
  3. Step 3: Cross multiply
    778,737.75x = 1,074,658.10 × 421,041.75
  4. Step 4: Simplify right side
    778,737.75x = 452,475,924,970.47
  5. Step 5: Solve for x
    x = 452,475,924,970.47/778,737.75
  6. Step 6: Final answer
    x = 581,037.62

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.