Finding the Fourth Proportional to 536,424.20, 804,636.30 and 528,129.80
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Solution
The fourth proportional to 536,424.20, 804,636.30 and 528,129.80 is: 792,194.70
Step by Step Solution
- Step 1: Write the proportion equation
536,424.20 : 804,636.30 = 528,129.80 : x - Step 2: Convert to fraction form
536,424.20/804,636.30 = 528,129.80/x - Step 3: Cross multiply
536,424.20x = 804,636.30 × 528,129.80 - Step 4: Simplify right side
536,424.20x = 424,952,408,191.74 - Step 5: Solve for x
x = 424,952,408,191.74/536,424.20 - Step 6: Final answer
x = 792,194.70
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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.