Finding the Fourth Proportional to 536,420.20, 804,630.30 and 528,125.80
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Solution
The fourth proportional to 536,420.20, 804,630.30 and 528,125.80 is: 792,188.70
Step by Step Solution
- Step 1: Write the proportion equation
536,420.20 : 804,630.30 = 528,125.80 : x - Step 2: Convert to fraction form
536,420.20/804,630.30 = 528,125.80/x - Step 3: Cross multiply
536,420.20x = 804,630.30 × 528,125.80 - Step 4: Simplify right side
536,420.20x = 424,946,020,891.74 - Step 5: Solve for x
x = 424,946,020,891.74/536,420.20 - Step 6: Final answer
x = 792,188.70
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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.