Home / 491,490-737,352-159,066

Finding the Fourth Proportional to 491,490, 737,352 and 159,066

Calculator

Solution

The fourth proportional to 491,490, 737,352 and 159,066 is: 238,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,490 : 737,352 = 159,066 : x
  2. Step 2: Convert to fraction form
    491,490/737,352 = 159,066/x
  3. Step 3: Cross multiply
    491,490x = 737,352 × 159,066
  4. Step 4: Simplify right side
    491,490x = 117,287,633,232
  5. Step 5: Solve for x
    x = 117,287,633,232/491,490
  6. Step 6: Final answer
    x = 238,636.87

Related Problems

Find fourth proportional to 245,745, 368,676 and 79,533
Half scale
Find fourth proportional to 982,980, 1,474,704 and 318,132
Double scale
Find fourth proportional to 491,491, 737,353.50 and 159,067
Similar ratio
Find fourth proportional to 737,235, 1,106,028 and 238,599
1.5x scale

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.