Home / 559,663.12-772,312.62-305,008.84

Finding the Fourth Proportional to 559,663.12, 772,312.62 and 305,008.84

Calculator

Solution

The fourth proportional to 559,663.12, 772,312.62 and 305,008.84 is: 420,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,663.12 : 772,312.62 = 305,008.84 : x
  2. Step 2: Convert to fraction form
    559,663.12/772,312.62 = 305,008.84/x
  3. Step 3: Cross multiply
    559,663.12x = 772,312.62 × 305,008.84
  4. Step 4: Simplify right side
    559,663.12x = 235,562,176,343.56
  5. Step 5: Solve for x
    x = 235,562,176,343.56/559,663.12
  6. Step 6: Final answer
    x = 420,899.94

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.