Finding the Fourth Proportional to 825,986.16, 1,239,108.84 and 352,674
Calculator
Solution
The fourth proportional to 825,986.16, 1,239,108.84 and 352,674 is: 529,066.34
Step by Step Solution
- Step 1: Write the proportion equation
825,986.16 : 1,239,108.84 = 352,674 : x - Step 2: Convert to fraction form
825,986.16/1,239,108.84 = 352,674/x - Step 3: Cross multiply
825,986.16x = 1,239,108.84 × 352,674 - Step 4: Simplify right side
825,986.16x = 437,001,471,038.16 - Step 5: Solve for x
x = 437,001,471,038.16/825,986.16 - Step 6: Final answer
x = 529,066.34
Related Problems
Find fourth proportional to 412,993.08, 619,554.42 and 176,337
Half scale
Find fourth proportional to 1,651,972.32, 2,478,217.68 and 705,348
Double scale
Find fourth proportional to 825,987.16, 1,239,110.34 and 352,675
Similar ratio
Find fourth proportional to 1,238,979.24, 1,858,663.26 and 529,011
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.