Home / 530,429.45-731,483.80-356,393.22

Finding the Fourth Proportional to 530,429.45, 731,483.80 and 356,393.22

Calculator

Solution

The fourth proportional to 530,429.45, 731,483.80 and 356,393.22 is: 491,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,429.45 : 731,483.80 = 356,393.22 : x
  2. Step 2: Convert to fraction form
    530,429.45/731,483.80 = 356,393.22/x
  3. Step 3: Cross multiply
    530,429.45x = 731,483.80 × 356,393.22
  4. Step 4: Simplify right side
    530,429.45x = 260,695,863,225.79
  5. Step 5: Solve for x
    x = 260,695,863,225.79/530,429.45
  6. Step 6: Final answer
    x = 491,480.75

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.