Home / 693,715.72-957,482.12-421,726

Finding the Fourth Proportional to 693,715.72, 957,482.12 and 421,726

Calculator

Solution

The fourth proportional to 693,715.72, 957,482.12 and 421,726 is: 582,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,715.72 : 957,482.12 = 421,726 : x
  2. Step 2: Convert to fraction form
    693,715.72/957,482.12 = 421,726/x
  3. Step 3: Cross multiply
    693,715.72x = 957,482.12 × 421,726
  4. Step 4: Simplify right side
    693,715.72x = 403,795,104,539.12
  5. Step 5: Solve for x
    x = 403,795,104,539.12/693,715.72
  6. Step 6: Final answer
    x = 582,075.76

Related Problems

Find fourth proportional to 346,857.86, 478,741.06 and 210,863
Half scale
Find fourth proportional to 1,387,431.44, 1,914,964.24 and 843,452
Double scale
Find fourth proportional to 693,716.72, 957,483.50 and 421,727
Similar ratio
Find fourth proportional to 1,040,573.58, 1,436,223.18 and 632,589
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.