Finding the Fourth Proportional to 826,023.18, 1,239,034.84 and 293,565.23
Calculator
Solution
The fourth proportional to 826,023.18, 1,239,034.84 and 293,565.23 is: 440,347.86
Step by Step Solution
- Step 1: Write the proportion equation
826,023.18 : 1,239,034.84 = 293,565.23 : x - Step 2: Convert to fraction form
826,023.18/1,239,034.84 = 293,565.23/x - Step 3: Cross multiply
826,023.18x = 1,239,034.84 × 293,565.23 - Step 4: Simplify right side
826,023.18x = 363,737,540,853.53 - Step 5: Solve for x
x = 363,737,540,853.53/826,023.18 - Step 6: Final answer
x = 440,347.86
Related Problems
Find fourth proportional to 413,011.59, 619,517.42 and 146,782.61
Half scale
Find fourth proportional to 1,652,046.36, 2,478,069.68 and 587,130.45
Double scale
Find fourth proportional to 826,024.18, 1,239,036.34 and 293,566.23
Similar ratio
Find fourth proportional to 1,239,034.77, 1,858,552.26 and 440,347.84
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.