Finding the Fourth Proportional to 750,435.84, 1,125,913.92 and 329,653.12
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Solution
The fourth proportional to 750,435.84, 1,125,913.92 and 329,653.12 is: 494,593.96
Step by Step Solution
- Step 1: Write the proportion equation
750,435.84 : 1,125,913.92 = 329,653.12 : x - Step 2: Convert to fraction form
750,435.84/1,125,913.92 = 329,653.12/x - Step 3: Cross multiply
750,435.84x = 1,125,913.92 × 329,653.12 - Step 4: Simplify right side
750,435.84x = 371,161,036,579.43 - Step 5: Solve for x
x = 371,161,036,579.43/750,435.84 - Step 6: Final answer
x = 494,593.96
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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.