Home / 723,184.98-998,043.12-400,908.66

Finding the Fourth Proportional to 723,184.98, 998,043.12 and 400,908.66

Calculator

Solution

The fourth proportional to 723,184.98, 998,043.12 and 400,908.66 is: 553,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,184.98 : 998,043.12 = 400,908.66 : x
  2. Step 2: Convert to fraction form
    723,184.98/998,043.12 = 400,908.66/x
  3. Step 3: Cross multiply
    723,184.98x = 998,043.12 × 400,908.66
  4. Step 4: Simplify right side
    723,184.98x = 400,124,129,861.42
  5. Step 5: Solve for x
    x = 400,124,129,861.42/723,184.98
  6. Step 6: Final answer
    x = 553,280.48

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.