Home / 658,889.40-988,334.10-185,590.20

Finding the Fourth Proportional to 658,889.40, 988,334.10 and 185,590.20

Calculator

Solution

The fourth proportional to 658,889.40, 988,334.10 and 185,590.20 is: 278,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,889.40 : 988,334.10 = 185,590.20 : x
  2. Step 2: Convert to fraction form
    658,889.40/988,334.10 = 185,590.20/x
  3. Step 3: Cross multiply
    658,889.40x = 988,334.10 × 185,590.20
  4. Step 4: Simplify right side
    658,889.40x = 183,425,123,285.82
  5. Step 5: Solve for x
    x = 183,425,123,285.82/658,889.40
  6. Step 6: Final answer
    x = 278,385.30

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.