Finding the Fourth Proportional to 778,015.80, 1,072,621.98 and 583,597.08
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Solution
The fourth proportional to 778,015.80, 1,072,621.98 and 583,597.08 is: 804,583.99
Step by Step Solution
- Step 1: Write the proportion equation
778,015.80 : 1,072,621.98 = 583,597.08 : x - Step 2: Convert to fraction form
778,015.80/1,072,621.98 = 583,597.08/x - Step 3: Cross multiply
778,015.80x = 1,072,621.98 × 583,597.08 - Step 4: Simplify right side
778,015.80x = 625,979,055,471.82 - Step 5: Solve for x
x = 625,979,055,471.82/778,015.80 - Step 6: Final answer
x = 804,583.99
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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.