Finding the Fourth Proportional to 536,431.20, 804,646.80 and 528,136.80
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Solution
The fourth proportional to 536,431.20, 804,646.80 and 528,136.80 is: 792,205.20
Step by Step Solution
- Step 1: Write the proportion equation
536,431.20 : 804,646.80 = 528,136.80 : x - Step 2: Convert to fraction form
536,431.20/804,646.80 = 528,136.80/x - Step 3: Cross multiply
536,431.20x = 804,646.80 × 528,136.80 - Step 4: Simplify right side
536,431.20x = 424,963,586,082.24 - Step 5: Solve for x
x = 424,963,586,082.24/536,431.20 - Step 6: Final answer
x = 792,205.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.