Finding the Fourth Proportional to 602,615.97, 831,607.75 and 330,688.41
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Solution
The fourth proportional to 602,615.97, 831,607.75 and 330,688.41 is: 456,348.75
Step by Step Solution
- Step 1: Write the proportion equation
602,615.97 : 831,607.75 = 330,688.41 : x - Step 2: Convert to fraction form
602,615.97/831,607.75 = 330,688.41/x - Step 3: Cross multiply
602,615.97x = 831,607.75 × 330,688.41 - Step 4: Simplify right side
602,615.97x = 275,003,044,591.18 - Step 5: Solve for x
x = 275,003,044,591.18/602,615.97 - Step 6: Final answer
x = 456,348.75
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1.5x scale
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.