Finding the Fourth Proportional to 784,447.68, 1,176,788.16 and 363,766.08
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Solution
The fourth proportional to 784,447.68, 1,176,788.16 and 363,766.08 is: 545,703.21
Step by Step Solution
- Step 1: Write the proportion equation
784,447.68 : 1,176,788.16 = 363,766.08 : x - Step 2: Convert to fraction form
784,447.68/1,176,788.16 = 363,766.08/x - Step 3: Cross multiply
784,447.68x = 1,176,788.16 × 363,766.08 - Step 4: Simplify right side
784,447.68x = 428,075,615,953.61 - Step 5: Solve for x
x = 428,075,615,953.61/784,447.68 - Step 6: Final answer
x = 545,703.21
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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.