Finding the Fourth Proportional to 627,266.40, 865,623.02 and 340,788.84
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Solution
The fourth proportional to 627,266.40, 865,623.02 and 340,788.84 is: 470,286.09
Step by Step Solution
- Step 1: Write the proportion equation
627,266.40 : 865,623.02 = 340,788.84 : x - Step 2: Convert to fraction form
627,266.40/865,623.02 = 340,788.84/x - Step 3: Cross multiply
627,266.40x = 865,623.02 × 340,788.84 - Step 4: Simplify right side
627,266.40x = 294,994,664,863.10 - Step 5: Solve for x
x = 294,994,664,863.10/627,266.40 - Step 6: Final answer
x = 470,286.09
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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.