Finding the Fourth Proportional to 747,972.34, 1,032,205.62 and 408,440.62
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Solution
The fourth proportional to 747,972.34, 1,032,205.62 and 408,440.62 is: 563,650.13
Step by Step Solution
- Step 1: Write the proportion equation
747,972.34 : 1,032,205.62 = 408,440.62 : x - Step 2: Convert to fraction form
747,972.34/1,032,205.62 = 408,440.62/x - Step 3: Cross multiply
747,972.34x = 1,032,205.62 × 408,440.62 - Step 4: Simplify right side
747,972.34x = 421,594,703,400.28 - Step 5: Solve for x
x = 421,594,703,400.28/747,972.34 - Step 6: Final answer
x = 563,650.13
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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.