Finding the Fourth Proportional to 536,419.20, 804,628.80 and 528,124.80
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Solution
The fourth proportional to 536,419.20, 804,628.80 and 528,124.80 is: 792,187.20
Step by Step Solution
- Step 1: Write the proportion equation
536,419.20 : 804,628.80 = 528,124.80 : x - Step 2: Convert to fraction form
536,419.20/804,628.80 = 528,124.80/x - Step 3: Cross multiply
536,419.20x = 804,628.80 × 528,124.80 - Step 4: Simplify right side
536,419.20x = 424,944,424,074.24 - Step 5: Solve for x
x = 424,944,424,074.24/536,419.20 - Step 6: Final answer
x = 792,187.20
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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.