Finding the Fourth Proportional to 774,837.61, 1,069,224.01 and 430,651.19
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Solution
The fourth proportional to 774,837.61, 1,069,224.01 and 430,651.19 is: 594,269.80
Step by Step Solution
- Step 1: Write the proportion equation
774,837.61 : 1,069,224.01 = 430,651.19 : x - Step 2: Convert to fraction form
774,837.61/1,069,224.01 = 430,651.19/x - Step 3: Cross multiply
774,837.61x = 1,069,224.01 × 430,651.19 - Step 4: Simplify right side
774,837.61x = 460,462,593,879.50 - Step 5: Solve for x
x = 460,462,593,879.50/774,837.61 - Step 6: Final answer
x = 594,269.80
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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.