Finding the Fourth Proportional to 985,206.53, 1,478,393.46 and 416,556.56
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Solution
The fourth proportional to 985,206.53, 1,478,393.46 and 416,556.56 is: 625,081.62
Step by Step Solution
- Step 1: Write the proportion equation
985,206.53 : 1,478,393.46 = 416,556.56 : x - Step 2: Convert to fraction form
985,206.53/1,478,393.46 = 416,556.56/x - Step 3: Cross multiply
985,206.53x = 1,478,393.46 × 416,556.56 - Step 4: Simplify right side
985,206.53x = 615,834,486,632.13 - Step 5: Solve for x
x = 615,834,486,632.13/985,206.53 - Step 6: Final answer
x = 625,081.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.