Finding the Fourth Proportional to 470,340.84, 648,821.55 and 297,954.66
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Solution
The fourth proportional to 470,340.84, 648,821.55 and 297,954.66 is: 411,019.81
Step by Step Solution
- Step 1: Write the proportion equation
470,340.84 : 648,821.55 = 297,954.66 : x - Step 2: Convert to fraction form
470,340.84/648,821.55 = 297,954.66/x - Step 3: Cross multiply
470,340.84x = 648,821.55 × 297,954.66 - Step 4: Simplify right side
470,340.84x = 193,319,404,330.92 - Step 5: Solve for x
x = 193,319,404,330.92/470,340.84 - Step 6: Final answer
x = 411,019.81
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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.