Finding the Fourth Proportional to 663,252.79, 915,029.00 and 408,161.11
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Solution
The fourth proportional to 663,252.79, 915,029.00 and 408,161.11 is: 563,102.42
Step by Step Solution
- Step 1: Write the proportion equation
663,252.79 : 915,029.00 = 408,161.11 : x - Step 2: Convert to fraction form
663,252.79/915,029.00 = 408,161.11/x - Step 3: Cross multiply
663,252.79x = 915,029.00 × 408,161.11 - Step 4: Simplify right side
663,252.79x = 373,479,249,524.42 - Step 5: Solve for x
x = 373,479,249,524.42/663,252.79 - Step 6: Final answer
x = 563,102.42
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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.