Finding the Fourth Proportional to 730,603.99, 1,008,244.92 and 408,334.96
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Solution
The fourth proportional to 730,603.99, 1,008,244.92 and 408,334.96 is: 563,508.62
Step by Step Solution
- Step 1: Write the proportion equation
730,603.99 : 1,008,244.92 = 408,334.96 : x - Step 2: Convert to fraction form
730,603.99/1,008,244.92 = 408,334.96/x - Step 3: Cross multiply
730,603.99x = 1,008,244.92 × 408,334.96 - Step 4: Simplify right side
730,603.99x = 411,701,648,089.05 - Step 5: Solve for x
x = 411,701,648,089.05/730,603.99 - Step 6: Final answer
x = 563,508.62
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1.5x scale
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.