Finding the Fourth Proportional to 658,369.84, 908,551.56 and 356,563.84
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Solution
The fourth proportional to 658,369.84, 908,551.56 and 356,563.84 is: 492,058.74
Step by Step Solution
- Step 1: Write the proportion equation
658,369.84 : 908,551.56 = 356,563.84 : x - Step 2: Convert to fraction form
658,369.84/908,551.56 = 356,563.84/x - Step 3: Cross multiply
658,369.84x = 908,551.56 × 356,563.84 - Step 4: Simplify right side
658,369.84x = 323,956,633,071.59 - Step 5: Solve for x
x = 323,956,633,071.59/658,369.84 - Step 6: Final answer
x = 492,058.74
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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.