Home / 545,621.88-752,996-330,771

Finding the Fourth Proportional to 545,621.88, 752,996 and 330,771

Calculator

Solution

The fourth proportional to 545,621.88, 752,996 and 330,771 is: 456,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,621.88 : 752,996 = 330,771 : x
  2. Step 2: Convert to fraction form
    545,621.88/752,996 = 330,771/x
  3. Step 3: Cross multiply
    545,621.88x = 752,996 × 330,771
  4. Step 4: Simplify right side
    545,621.88x = 249,069,239,916
  5. Step 5: Solve for x
    x = 249,069,239,916/545,621.88
  6. Step 6: Final answer
    x = 456,486.90

Related Problems

Find fourth proportional to 272,810.94, 376,498 and 165,385.50
Half scale
Find fourth proportional to 1,091,243.76, 1,505,992 and 661,542
Double scale
Find fourth proportional to 545,622.88, 752,997.38 and 330,772
Similar ratio
Find fourth proportional to 818,432.82, 1,129,494 and 496,156.50
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.