Home / 544,406-751,280.28-305,942

Finding the Fourth Proportional to 544,406, 751,280.28 and 305,942

Calculator

Solution

The fourth proportional to 544,406, 751,280.28 and 305,942 is: 422,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,406 : 751,280.28 = 305,942 : x
  2. Step 2: Convert to fraction form
    544,406/751,280.28 = 305,942/x
  3. Step 3: Cross multiply
    544,406x = 751,280.28 × 305,942
  4. Step 4: Simplify right side
    544,406x = 229,848,191,423.76
  5. Step 5: Solve for x
    x = 229,848,191,423.76/544,406
  6. Step 6: Final answer
    x = 422,199.96

Related Problems

Find fourth proportional to 272,203, 375,640.14 and 152,971
Half scale
Find fourth proportional to 1,088,812, 1,502,560.56 and 611,884
Double scale
Find fourth proportional to 544,407, 751,281.66 and 305,943
Similar ratio
Find fourth proportional to 816,609, 1,126,920.42 and 458,913
1.5x scale

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.