Finding the Fourth Proportional to 916,315.48, 1,264,557.95 and 572,355.05
Calculator
Solution
The fourth proportional to 916,315.48, 1,264,557.95 and 572,355.05 is: 789,876.58
Step by Step Solution
- Step 1: Write the proportion equation
916,315.48 : 1,264,557.95 = 572,355.05 : x - Step 2: Convert to fraction form
916,315.48/1,264,557.95 = 572,355.05/x - Step 3: Cross multiply
916,315.48x = 1,264,557.95 × 572,355.05 - Step 4: Simplify right side
916,315.48x = 723,776,133,292.43 - Step 5: Solve for x
x = 723,776,133,292.43/916,315.48 - Step 6: Final answer
x = 789,876.58
Related Problems
Find fourth proportional to 458,157.74, 632,278.98 and 286,177.53
Half scale
Find fourth proportional to 1,832,630.96, 2,529,115.91 and 1,144,710.11
Double scale
Find fourth proportional to 916,316.48, 1,264,559.33 and 572,356.05
Similar ratio
Find fourth proportional to 1,374,473.22, 1,896,836.93 and 858,532.58
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.