Finding the Fourth Proportional to 670,471.85, 999,391.71 and 616,663.44
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Solution
The fourth proportional to 670,471.85, 999,391.71 and 616,663.44 is: 919,185.99
Step by Step Solution
- Step 1: Write the proportion equation
670,471.85 : 999,391.71 = 616,663.44 : x - Step 2: Convert to fraction form
670,471.85/999,391.71 = 616,663.44/x - Step 3: Cross multiply
670,471.85x = 999,391.71 × 616,663.44 - Step 4: Simplify right side
670,471.85x = 616,288,329,796.08 - Step 5: Solve for x
x = 616,288,329,796.08/670,471.85 - Step 6: Final answer
x = 919,185.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.