Finding the Fourth Proportional to 561,348.99, 774,661.89 and 303,225.92
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Solution
The fourth proportional to 561,348.99, 774,661.89 and 303,225.92 is: 418,451.92
Step by Step Solution
- Step 1: Write the proportion equation
561,348.99 : 774,661.89 = 303,225.92 : x - Step 2: Convert to fraction form
561,348.99/774,661.89 = 303,225.92/x - Step 3: Cross multiply
561,348.99x = 774,661.89 × 303,225.92 - Step 4: Simplify right side
561,348.99x = 234,897,564,284.19 - Step 5: Solve for x
x = 234,897,564,284.19/561,348.99 - Step 6: Final answer
x = 418,451.92
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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.