Finding the Fourth Proportional to 775,894.71, 1,070,734.70 and 431,752.80
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Solution
The fourth proportional to 775,894.71, 1,070,734.70 and 431,752.80 is: 595,818.86
Step by Step Solution
- Step 1: Write the proportion equation
775,894.71 : 1,070,734.70 = 431,752.80 : x - Step 2: Convert to fraction form
775,894.71/1,070,734.70 = 431,752.80/x - Step 3: Cross multiply
775,894.71x = 1,070,734.70 × 431,752.80 - Step 4: Simplify right side
775,894.71x = 462,292,704,782.16 - Step 5: Solve for x
x = 462,292,704,782.16/775,894.71 - Step 6: Final answer
x = 595,818.86
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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.