Finding the Fourth Proportional to 729,915.49, 1,007,368.36 and 607,191.07
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Solution
The fourth proportional to 729,915.49, 1,007,368.36 and 607,191.07 is: 837,994.37
Step by Step Solution
- Step 1: Write the proportion equation
729,915.49 : 1,007,368.36 = 607,191.07 : x - Step 2: Convert to fraction form
729,915.49/1,007,368.36 = 607,191.07/x - Step 3: Cross multiply
729,915.49x = 1,007,368.36 × 607,191.07 - Step 4: Simplify right side
729,915.49x = 611,665,072,392.55 - Step 5: Solve for x
x = 611,665,072,392.55/729,915.49 - Step 6: Final answer
x = 837,994.37
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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.