Finding the Fourth Proportional to 888,468.99, 1,332,702.45 and 289,429.19
Calculator
Solution
The fourth proportional to 888,468.99, 1,332,702.45 and 289,429.19 is: 434,143.45
Step by Step Solution
- Step 1: Write the proportion equation
888,468.99 : 1,332,702.45 = 289,429.19 : x - Step 2: Convert to fraction form
888,468.99/1,332,702.45 = 289,429.19/x - Step 3: Cross multiply
888,468.99x = 1,332,702.45 × 289,429.19 - Step 4: Simplify right side
888,468.99x = 385,722,990,614.52 - Step 5: Solve for x
x = 385,722,990,614.52/888,468.99 - Step 6: Final answer
x = 434,143.45
Related Problems
Find fourth proportional to 444,234.50, 666,351.23 and 144,714.60
Half scale
Find fourth proportional to 1,776,937.98, 2,665,404.90 and 578,858.38
Double scale
Find fourth proportional to 888,469.99, 1,332,703.95 and 289,430.19
Similar ratio
Find fourth proportional to 1,332,703.49, 1,999,053.68 and 434,143.79
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.