Finding the Fourth Proportional to 535,898.74, 739,521.12 and 303,320.70
Calculator
Solution
The fourth proportional to 535,898.74, 739,521.12 and 303,320.70 is: 418,571.73
Step by Step Solution
- Step 1: Write the proportion equation
535,898.74 : 739,521.12 = 303,320.70 : x - Step 2: Convert to fraction form
535,898.74/739,521.12 = 303,320.70/x - Step 3: Cross multiply
535,898.74x = 739,521.12 × 303,320.70 - Step 4: Simplify right side
535,898.74x = 224,312,063,783.18 - Step 5: Solve for x
x = 224,312,063,783.18/535,898.74 - Step 6: Final answer
x = 418,571.73
Related Problems
Find fourth proportional to 267,949.37, 369,760.56 and 151,660.35
Half scale
Find fourth proportional to 1,071,797.48, 1,479,042.24 and 606,641.40
Double scale
Find fourth proportional to 535,899.74, 739,522.50 and 303,321.70
Similar ratio
Find fourth proportional to 803,848.11, 1,109,281.68 and 454,981.05
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.