Finding the Fourth Proportional to 987,677.99, 1,481,506.18 and 239,723.99
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Solution
The fourth proportional to 987,677.99, 1,481,506.18 and 239,723.99 is: 359,583.36
Step by Step Solution
- Step 1: Write the proportion equation
987,677.99 : 1,481,506.18 = 239,723.99 : x - Step 2: Convert to fraction form
987,677.99/1,481,506.18 = 239,723.99/x - Step 3: Cross multiply
987,677.99x = 1,481,506.18 × 239,723.99 - Step 4: Simplify right side
987,677.99x = 355,152,564,672.42 - Step 5: Solve for x
x = 355,152,564,672.42/987,677.99 - Step 6: Final answer
x = 359,583.36
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1.5x scale
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.