Finding the Fourth Proportional to 587,028.79, 880,838.61 and 437,569.21
Calculator
Solution
The fourth proportional to 587,028.79, 880,838.61 and 437,569.21 is: 656,574.02
Step by Step Solution
- Step 1: Write the proportion equation
587,028.79 : 880,838.61 = 437,569.21 : x - Step 2: Convert to fraction form
587,028.79/880,838.61 = 437,569.21/x - Step 3: Cross multiply
587,028.79x = 880,838.61 × 437,569.21 - Step 4: Simplify right side
587,028.79x = 385,427,854,715.20 - Step 5: Solve for x
x = 385,427,854,715.20/587,028.79 - Step 6: Final answer
x = 656,574.02
Related Problems
Find fourth proportional to 293,514.40, 440,419.31 and 218,784.61
Half scale
Find fourth proportional to 1,174,057.58, 1,761,677.22 and 875,138.42
Double scale
Find fourth proportional to 587,029.79, 880,840.11 and 437,570.21
Similar ratio
Find fourth proportional to 880,543.19, 1,321,257.92 and 656,353.82
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.