Finding the Fourth Proportional to 627,135.97, 865,446.98 and 340,656.28
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Solution
The fourth proportional to 627,135.97, 865,446.98 and 340,656.28 is: 470,105.31
Step by Step Solution
- Step 1: Write the proportion equation
627,135.97 : 865,446.98 = 340,656.28 : x - Step 2: Convert to fraction form
627,135.97/865,446.98 = 340,656.28/x - Step 3: Cross multiply
627,135.97x = 865,446.98 × 340,656.28 - Step 4: Simplify right side
627,135.97x = 294,819,948,744.03 - Step 5: Solve for x
x = 294,819,948,744.03/627,135.97 - Step 6: Final answer
x = 470,105.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.