Finding the Fourth Proportional to 390,024, 585,036 and 94,536
Calculator
Solution
The fourth proportional to 390,024, 585,036 and 94,536 is: 141,804
Step by Step Solution
- Step 1: Write the proportion equation
390,024 : 585,036 = 94,536 : x - Step 2: Convert to fraction form
390,024/585,036 = 94,536/x - Step 3: Cross multiply
390,024x = 585,036 × 94,536 - Step 4: Simplify right side
390,024x = 55,306,963,296 - Step 5: Solve for x
x = 55,306,963,296/390,024 - Step 6: Final answer
x = 141,804
Related Problems
Find fourth proportional to 195,012, 292,518 and 47,268
Half scale
Find fourth proportional to 780,048, 1,170,072 and 189,072
Double scale
Find fourth proportional to 390,025, 585,037.50 and 94,537
Similar ratio
Find fourth proportional to 585,036, 877,554 and 141,804
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.