Finding the Fourth Proportional to 911,942.84, 1,367,937.62 and 432,058.28
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Solution
The fourth proportional to 911,942.84, 1,367,937.62 and 432,058.28 is: 648,098.49
Step by Step Solution
- Step 1: Write the proportion equation
911,942.84 : 1,367,937.62 = 432,058.28 : x - Step 2: Convert to fraction form
911,942.84/1,367,937.62 = 432,058.28/x - Step 3: Cross multiply
911,942.84x = 1,367,937.62 × 432,058.28 - Step 4: Simplify right side
911,942.84x = 591,028,775,244.49 - Step 5: Solve for x
x = 591,028,775,244.49/911,942.84 - Step 6: Final answer
x = 648,098.49
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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.