Finding the Fourth Proportional to 473,643.26, 653,619.98 and 258,778.70
Calculator
Solution
The fourth proportional to 473,643.26, 653,619.98 and 258,778.70 is: 357,110.39
Step by Step Solution
- Step 1: Write the proportion equation
473,643.26 : 653,619.98 = 258,778.70 : x - Step 2: Convert to fraction form
473,643.26/653,619.98 = 258,778.70/x - Step 3: Cross multiply
473,643.26x = 653,619.98 × 258,778.70 - Step 4: Simplify right side
473,643.26x = 169,142,927,424.53 - Step 5: Solve for x
x = 169,142,927,424.53/473,643.26 - Step 6: Final answer
x = 357,110.39
Related Problems
Find fourth proportional to 236,821.63, 326,809.99 and 129,389.35
Half scale
Find fourth proportional to 947,286.52, 1,307,239.95 and 517,557.40
Double scale
Find fourth proportional to 473,644.26, 653,621.35 and 258,779.70
Similar ratio
Find fourth proportional to 710,464.89, 980,429.96 and 388,168.05
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.