Home / 739,905.44-1,020,954-421,892

Finding the Fourth Proportional to 739,905.44, 1,020,954 and 421,892

Calculator

Solution

The fourth proportional to 739,905.44, 1,020,954 and 421,892 is: 582,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,905.44 : 1,020,954 = 421,892 : x
  2. Step 2: Convert to fraction form
    739,905.44/1,020,954 = 421,892/x
  3. Step 3: Cross multiply
    739,905.44x = 1,020,954 × 421,892
  4. Step 4: Simplify right side
    739,905.44x = 430,732,324,968
  5. Step 5: Solve for x
    x = 430,732,324,968/739,905.44
  6. Step 6: Final answer
    x = 582,145.10

Related Problems

Find fourth proportional to 369,952.72, 510,477 and 210,946
Half scale
Find fourth proportional to 1,479,810.88, 2,041,908 and 843,784
Double scale
Find fourth proportional to 739,906.44, 1,020,955.38 and 421,893
Similar ratio
Find fourth proportional to 1,109,858.16, 1,531,431 and 632,838
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.