Finding the Fourth Proportional to 807,039.84, 1,113,672.27 and 462,858.08
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Solution
The fourth proportional to 807,039.84, 1,113,672.27 and 462,858.08 is: 638,719.66
Step by Step Solution
- Step 1: Write the proportion equation
807,039.84 : 1,113,672.27 = 462,858.08 : x - Step 2: Convert to fraction form
807,039.84/1,113,672.27 = 462,858.08/x - Step 3: Cross multiply
807,039.84x = 1,113,672.27 × 462,858.08 - Step 4: Simplify right side
807,039.84x = 515,472,211,073.21 - Step 5: Solve for x
x = 515,472,211,073.21/807,039.84 - Step 6: Final answer
x = 638,719.66
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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.