Finding the Fourth Proportional to 884,390.70, 1,220,451.76 and 497,207.82
Calculator
Solution
The fourth proportional to 884,390.70, 1,220,451.76 and 497,207.82 is: 686,142.62
Step by Step Solution
- Step 1: Write the proportion equation
884,390.70 : 1,220,451.76 = 497,207.82 : x - Step 2: Convert to fraction form
884,390.70/1,220,451.76 = 497,207.82/x - Step 3: Cross multiply
884,390.70x = 1,220,451.76 × 497,207.82 - Step 4: Simplify right side
884,390.70x = 606,818,154,541.13 - Step 5: Solve for x
x = 606,818,154,541.13/884,390.70 - Step 6: Final answer
x = 686,142.62
Related Problems
Find fourth proportional to 442,195.35, 610,225.88 and 248,603.91
Half scale
Find fourth proportional to 1,768,781.41, 2,440,903.51 and 994,415.64
Double scale
Find fourth proportional to 884,391.70, 1,220,453.14 and 497,208.82
Similar ratio
Find fourth proportional to 1,326,586.06, 1,830,677.63 and 745,811.73
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.