Finding the Fourth Proportional to 760,875.12, 1,049,969.70 and 438,565.68
Calculator
Solution
The fourth proportional to 760,875.12, 1,049,969.70 and 438,565.68 is: 605,198.76
Step by Step Solution
- Step 1: Write the proportion equation
760,875.12 : 1,049,969.70 = 438,565.68 : x - Step 2: Convert to fraction form
760,875.12/1,049,969.70 = 438,565.68/x - Step 3: Cross multiply
760,875.12x = 1,049,969.70 × 438,565.68 - Step 4: Simplify right side
760,875.12x = 460,480,675,459.90 - Step 5: Solve for x
x = 460,480,675,459.90/760,875.12 - Step 6: Final answer
x = 605,198.76
Related Problems
Find fourth proportional to 380,437.56, 524,984.85 and 219,282.84
Half scale
Find fourth proportional to 1,521,750.24, 2,099,939.40 and 877,131.36
Double scale
Find fourth proportional to 760,876.12, 1,049,971.08 and 438,566.68
Similar ratio
Find fourth proportional to 1,141,312.68, 1,574,954.55 and 657,848.52
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.