Finding the Fourth Proportional to 602,943.74, 832,072.12 and 331,036.70
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Solution
The fourth proportional to 602,943.74, 832,072.12 and 331,036.70 is: 456,836.00
Step by Step Solution
- Step 1: Write the proportion equation
602,943.74 : 832,072.12 = 331,036.70 : x - Step 2: Convert to fraction form
602,943.74/832,072.12 = 331,036.70/x - Step 3: Cross multiply
602,943.74x = 832,072.12 × 331,036.70 - Step 4: Simplify right side
602,943.74x = 275,446,408,766.80 - Step 5: Solve for x
x = 275,446,408,766.80/602,943.74 - Step 6: Final answer
x = 456,836.00
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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.