Finding the Fourth Proportional to 658,780.05, 987,417.18 and 299,225.10
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Solution
The fourth proportional to 658,780.05, 987,417.18 and 299,225.10 is: 448,495.68
Step by Step Solution
- Step 1: Write the proportion equation
658,780.05 : 987,417.18 = 299,225.10 : x - Step 2: Convert to fraction form
658,780.05/987,417.18 = 299,225.10/x - Step 3: Cross multiply
658,780.05x = 987,417.18 × 299,225.10 - Step 4: Simplify right side
658,780.05x = 295,460,004,427.22 - Step 5: Solve for x
x = 295,460,004,427.22/658,780.05 - Step 6: Final answer
x = 448,495.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.