Finding the Fourth Proportional to 819,227.76, 1,130,748.12 and 533,531.76
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Solution
The fourth proportional to 819,227.76, 1,130,748.12 and 533,531.76 is: 736,413.08
Step by Step Solution
- Step 1: Write the proportion equation
819,227.76 : 1,130,748.12 = 533,531.76 : x - Step 2: Convert to fraction form
819,227.76/1,130,748.12 = 533,531.76/x - Step 3: Cross multiply
819,227.76x = 1,130,748.12 × 533,531.76 - Step 4: Simplify right side
819,227.76x = 603,290,034,580.29 - Step 5: Solve for x
x = 603,290,034,580.29/819,227.76 - Step 6: Final answer
x = 736,413.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.