Finding the Fourth Proportional to 773,161.50, 1,159,276.14 and 346,620.18
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Solution
The fourth proportional to 773,161.50, 1,159,276.14 and 346,620.18 is: 519,721.31
Step by Step Solution
- Step 1: Write the proportion equation
773,161.50 : 1,159,276.14 = 346,620.18 : x - Step 2: Convert to fraction form
773,161.50/1,159,276.14 = 346,620.18/x - Step 3: Cross multiply
773,161.50x = 1,159,276.14 × 346,620.18 - Step 4: Simplify right side
773,161.50x = 401,828,504,316.51 - Step 5: Solve for x
x = 401,828,504,316.51/773,161.50 - Step 6: Final answer
x = 519,721.31
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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.