Home / 679,034.88-1,013,568-628,992

Finding the Fourth Proportional to 679,034.88, 1,013,568 and 628,992

Calculator

Solution

The fourth proportional to 679,034.88, 1,013,568 and 628,992 is: 938,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,034.88 : 1,013,568 = 628,992 : x
  2. Step 2: Convert to fraction form
    679,034.88/1,013,568 = 628,992/x
  3. Step 3: Cross multiply
    679,034.88x = 1,013,568 × 628,992
  4. Step 4: Simplify right side
    679,034.88x = 637,526,163,456
  5. Step 5: Solve for x
    x = 637,526,163,456/679,034.88
  6. Step 6: Final answer
    x = 938,871.01

Related Problems

Find fourth proportional to 339,517.44, 506,784 and 314,496
Half scale
Find fourth proportional to 1,358,069.76, 2,027,136 and 1,257,984
Double scale
Find fourth proportional to 679,035.88, 1,013,569.49 and 628,993
Similar ratio
Find fourth proportional to 1,018,552.32, 1,520,352 and 943,488
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.