Finding the Fourth Proportional to 704,352.78, 971,415.63 and 462,450.06
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Solution
The fourth proportional to 704,352.78, 971,415.63 and 462,450.06 is: 637,792.92
Step by Step Solution
- Step 1: Write the proportion equation
704,352.78 : 971,415.63 = 462,450.06 : x - Step 2: Convert to fraction form
704,352.78/971,415.63 = 462,450.06/x - Step 3: Cross multiply
704,352.78x = 971,415.63 × 462,450.06 - Step 4: Simplify right side
704,352.78x = 449,231,216,378.44 - Step 5: Solve for x
x = 449,231,216,378.44/704,352.78 - Step 6: Final answer
x = 637,792.92
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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.