Finding the Fourth Proportional to 472,393.80, 708,590.70 and 354,295.80
Calculator
Solution
The fourth proportional to 472,393.80, 708,590.70 and 354,295.80 is: 531,443.70
Step by Step Solution
- Step 1: Write the proportion equation
472,393.80 : 708,590.70 = 354,295.80 : x - Step 2: Convert to fraction form
472,393.80/708,590.70 = 354,295.80/x - Step 3: Cross multiply
472,393.80x = 708,590.70 × 354,295.80 - Step 4: Simplify right side
472,393.80x = 251,050,708,929.06 - Step 5: Solve for x
x = 251,050,708,929.06/472,393.80 - Step 6: Final answer
x = 531,443.70
Related Problems
Find fourth proportional to 236,196.90, 354,295.35 and 177,147.90
Half scale
Find fourth proportional to 944,787.60, 1,417,181.40 and 708,591.60
Double scale
Find fourth proportional to 472,394.80, 708,592.20 and 354,296.80
Similar ratio
Find fourth proportional to 708,590.70, 1,062,886.05 and 531,443.70
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.