Finding the Fourth Proportional to 728,000.74, 1,004,345.08 and 483,101
Calculator
Solution
The fourth proportional to 728,000.74, 1,004,345.08 and 483,101 is: 666,482.99
Step by Step Solution
- Step 1: Write the proportion equation
728,000.74 : 1,004,345.08 = 483,101 : x - Step 2: Convert to fraction form
728,000.74/1,004,345.08 = 483,101/x - Step 3: Cross multiply
728,000.74x = 1,004,345.08 × 483,101 - Step 4: Simplify right side
728,000.74x = 485,200,112,493.08 - Step 5: Solve for x
x = 485,200,112,493.08/728,000.74 - Step 6: Final answer
x = 666,482.99
Related Problems
Find fourth proportional to 364,000.37, 502,172.54 and 241,550.50
Half scale
Find fourth proportional to 1,456,001.48, 2,008,690.16 and 966,202
Double scale
Find fourth proportional to 728,001.74, 1,004,346.46 and 483,102
Similar ratio
Find fourth proportional to 1,092,001.11, 1,506,517.62 and 724,651.50
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.