Finding the Fourth Proportional to 602,404.79, 831,313.69 and 326,761.95
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Solution
The fourth proportional to 602,404.79, 831,313.69 and 326,761.95 is: 450,928.82
Step by Step Solution
- Step 1: Write the proportion equation
602,404.79 : 831,313.69 = 326,761.95 : x - Step 2: Convert to fraction form
602,404.79/831,313.69 = 326,761.95/x - Step 3: Cross multiply
602,404.79x = 831,313.69 × 326,761.95 - Step 4: Simplify right side
602,404.79x = 271,641,682,406.10 - Step 5: Solve for x
x = 271,641,682,406.10/602,404.79 - Step 6: Final answer
x = 450,928.82
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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.