Finding the Fourth Proportional to 602,480.84, 831,432.05 and 330,543.80
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Solution
The fourth proportional to 602,480.84, 831,432.05 and 330,543.80 is: 456,155.09
Step by Step Solution
- Step 1: Write the proportion equation
602,480.84 : 831,432.05 = 330,543.80 : x - Step 2: Convert to fraction form
602,480.84/831,432.05 = 330,543.80/x - Step 3: Cross multiply
602,480.84x = 831,432.05 × 330,543.80 - Step 4: Simplify right side
602,480.84x = 274,824,703,438.91 - Step 5: Solve for x
x = 274,824,703,438.91/602,480.84 - Step 6: Final answer
x = 456,155.09
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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.