Finding the Fourth Proportional to 775,564.84, 1,070,344.12 and 431,465.59
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Solution
The fourth proportional to 775,564.84, 1,070,344.12 and 431,465.59 is: 595,458.48
Step by Step Solution
- Step 1: Write the proportion equation
775,564.84 : 1,070,344.12 = 431,465.59 : x - Step 2: Convert to fraction form
775,564.84/1,070,344.12 = 431,465.59/x - Step 3: Cross multiply
775,564.84x = 1,070,344.12 × 431,465.59 - Step 4: Simplify right side
775,564.84x = 461,816,658,307.10 - Step 5: Solve for x
x = 461,816,658,307.10/775,564.84 - Step 6: Final answer
x = 595,458.48
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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.