Finding the Fourth Proportional to 844,578.19, 1,266,866.93 and 339,139.00
Calculator
Solution
The fourth proportional to 844,578.19, 1,266,866.93 and 339,139.00 is: 508,708.36
Step by Step Solution
- Step 1: Write the proportion equation
844,578.19 : 1,266,866.93 = 339,139.00 : x - Step 2: Convert to fraction form
844,578.19/1,266,866.93 = 339,139.00/x - Step 3: Cross multiply
844,578.19x = 1,266,866.93 × 339,139.00 - Step 4: Simplify right side
844,578.19x = 429,643,986,204.70 - Step 5: Solve for x
x = 429,643,986,204.70/844,578.19 - Step 6: Final answer
x = 508,708.36
Related Problems
Find fourth proportional to 422,289.10, 633,433.47 and 169,569.50
Half scale
Find fourth proportional to 1,689,156.38, 2,533,733.87 and 678,278.00
Double scale
Find fourth proportional to 844,579.19, 1,266,868.43 and 339,140
Similar ratio
Find fourth proportional to 1,266,867.29, 1,900,300.40 and 508,708.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.