Finding the Fourth Proportional to 460,979.94, 636,119.83 and 257,022.15
Calculator
Solution
The fourth proportional to 460,979.94, 636,119.83 and 257,022.15 is: 354,672.45
Step by Step Solution
- Step 1: Write the proportion equation
460,979.94 : 636,119.83 = 257,022.15 : x - Step 2: Convert to fraction form
460,979.94/636,119.83 = 257,022.15/x - Step 3: Cross multiply
460,979.94x = 636,119.83 × 257,022.15 - Step 4: Simplify right side
460,979.94x = 163,496,886,364.24 - Step 5: Solve for x
x = 163,496,886,364.24/460,979.94 - Step 6: Final answer
x = 354,672.45
Related Problems
Find fourth proportional to 230,489.97, 318,059.92 and 128,511.08
Half scale
Find fourth proportional to 921,959.88, 1,272,239.66 and 514,044.30
Double scale
Find fourth proportional to 460,980.94, 636,121.21 and 257,023.15
Similar ratio
Find fourth proportional to 691,469.91, 954,179.75 and 385,533.23
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.