Finding the Fourth Proportional to 985,317.68, 1,359,738.80 and 532,608.68
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Solution
The fourth proportional to 985,317.68, 1,359,738.80 and 532,608.68 is: 735,000.20
Step by Step Solution
- Step 1: Write the proportion equation
985,317.68 : 1,359,738.80 = 532,608.68 : x - Step 2: Convert to fraction form
985,317.68/1,359,738.80 = 532,608.68/x - Step 3: Cross multiply
985,317.68x = 1,359,738.80 × 532,608.68 - Step 4: Simplify right side
985,317.68x = 724,208,687,412.78 - Step 5: Solve for x
x = 724,208,687,412.78/985,317.68 - Step 6: Final answer
x = 735,000.20
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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.