Finding the Fourth Proportional to 482,420.73, 723,695.09 and 178,772.79
Calculator
Solution
The fourth proportional to 482,420.73, 723,695.09 and 178,772.79 is: 268,182.90
Step by Step Solution
- Step 1: Write the proportion equation
482,420.73 : 723,695.09 = 178,772.79 : x - Step 2: Convert to fraction form
482,420.73/723,695.09 = 178,772.79/x - Step 3: Cross multiply
482,420.73x = 723,695.09 × 178,772.79 - Step 4: Simplify right side
482,420.73x = 129,376,989,454.74 - Step 5: Solve for x
x = 129,376,989,454.74/482,420.73 - Step 6: Final answer
x = 268,182.90
Related Problems
Find fourth proportional to 241,210.37, 361,847.54 and 89,386.40
Half scale
Find fourth proportional to 964,841.46, 1,447,390.17 and 357,545.58
Double scale
Find fourth proportional to 482,421.73, 723,696.59 and 178,773.79
Similar ratio
Find fourth proportional to 723,631.10, 1,085,542.63 and 268,159.19
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.