Finding the Fourth Proportional to 820,256.99, 1,132,056.95 and 476,019
Calculator
Solution
The fourth proportional to 820,256.99, 1,132,056.95 and 476,019 is: 656,965.59
Step by Step Solution
- Step 1: Write the proportion equation
820,256.99 : 1,132,056.95 = 476,019 : x - Step 2: Convert to fraction form
820,256.99/1,132,056.95 = 476,019/x - Step 3: Cross multiply
820,256.99x = 1,132,056.95 × 476,019 - Step 4: Simplify right side
820,256.99x = 538,880,614,901.96 - Step 5: Solve for x
x = 538,880,614,901.96/820,256.99 - Step 6: Final answer
x = 656,965.59
Related Problems
Find fourth proportional to 410,128.49, 566,028.47 and 238,009.50
Half scale
Find fourth proportional to 1,640,513.97, 2,264,113.89 and 952,038
Double scale
Find fourth proportional to 820,257.99, 1,132,058.33 and 476,020
Similar ratio
Find fourth proportional to 1,230,385.48, 1,698,085.42 and 714,028.50
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.