Finding the Fourth Proportional to 602,718.39, 831,544.88 and 344,409.75
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Solution
The fourth proportional to 602,718.39, 831,544.88 and 344,409.75 is: 475,167.45
Step by Step Solution
- Step 1: Write the proportion equation
602,718.39 : 831,544.88 = 344,409.75 : x - Step 2: Convert to fraction form
602,718.39/831,544.88 = 344,409.75/x - Step 3: Cross multiply
602,718.39x = 831,544.88 × 344,409.75 - Step 4: Simplify right side
602,718.39x = 286,392,162,512.53 - Step 5: Solve for x
x = 286,392,162,512.53/602,718.39 - Step 6: Final answer
x = 475,167.45
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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.