Finding the Fourth Proportional to 724,986.10, 1,086,442.35 and 533,955.70
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Solution
The fourth proportional to 724,986.10, 1,086,442.35 and 533,955.70 is: 800,169.94
Step by Step Solution
- Step 1: Write the proportion equation
724,986.10 : 1,086,442.35 = 533,955.70 : x - Step 2: Convert to fraction form
724,986.10/1,086,442.35 = 533,955.70/x - Step 3: Cross multiply
724,986.10x = 1,086,442.35 × 533,955.70 - Step 4: Simplify right side
724,986.10x = 580,112,085,503.90 - Step 5: Solve for x
x = 580,112,085,503.90/724,986.10 - Step 6: Final answer
x = 800,169.94
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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.