Finding the Fourth Proportional to 750,436.84, 1,125,915.42 and 329,654.12
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Solution
The fourth proportional to 750,436.84, 1,125,915.42 and 329,654.12 is: 494,595.46
Step by Step Solution
- Step 1: Write the proportion equation
750,436.84 : 1,125,915.42 = 329,654.12 : x - Step 2: Convert to fraction form
750,436.84/1,125,915.42 = 329,654.12/x - Step 3: Cross multiply
750,436.84x = 1,125,915.42 × 329,654.12 - Step 4: Simplify right side
750,436.84x = 371,162,656,974.53 - Step 5: Solve for x
x = 371,162,656,974.53/750,436.84 - Step 6: Final answer
x = 494,595.46
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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.