Finding the Fourth Proportional to 553,988.40, 765,795.48 and 494,152.08
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Solution
The fourth proportional to 553,988.40, 765,795.48 and 494,152.08 is: 683,081.86
Step by Step Solution
- Step 1: Write the proportion equation
553,988.40 : 765,795.48 = 494,152.08 : x - Step 2: Convert to fraction form
553,988.40/765,795.48 = 494,152.08/x - Step 3: Cross multiply
553,988.40x = 765,795.48 × 494,152.08 - Step 4: Simplify right side
553,988.40x = 378,419,429,296.60 - Step 5: Solve for x
x = 378,419,429,296.60/553,988.40 - Step 6: Final answer
x = 683,081.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.