Home / 530,618.78-732,234.80-288,895.82

Finding the Fourth Proportional to 530,618.78, 732,234.80 and 288,895.82

Calculator

Solution

The fourth proportional to 530,618.78, 732,234.80 and 288,895.82 is: 398,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,618.78 : 732,234.80 = 288,895.82 : x
  2. Step 2: Convert to fraction form
    530,618.78/732,234.80 = 288,895.82/x
  3. Step 3: Cross multiply
    530,618.78x = 732,234.80 × 288,895.82
  4. Step 4: Simplify right side
    530,618.78x = 211,539,570,039.60
  5. Step 5: Solve for x
    x = 211,539,570,039.60/530,618.78
  6. Step 6: Final answer
    x = 398,665.82

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.