Finding the Fourth Proportional to 807,445, 1,114,274.12 and 468,110.08
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Solution
The fourth proportional to 807,445, 1,114,274.12 and 468,110.08 is: 645,991.92
Step by Step Solution
- Step 1: Write the proportion equation
807,445 : 1,114,274.12 = 468,110.08 : x - Step 2: Convert to fraction form
807,445/1,114,274.12 = 468,110.08/x - Step 3: Cross multiply
807,445x = 1,114,274.12 × 468,110.08 - Step 4: Simplify right side
807,445x = 521,602,947,455.13 - Step 5: Solve for x
x = 521,602,947,455.13/807,445 - Step 6: Final answer
x = 645,991.92
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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.