Finding the Fourth Proportional to 873,286.78, 1,307,305.76 and 518,117.98
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Solution
The fourth proportional to 873,286.78, 1,307,305.76 and 518,117.98 is: 775,619.91
Step by Step Solution
- Step 1: Write the proportion equation
873,286.78 : 1,307,305.76 = 518,117.98 : x - Step 2: Convert to fraction form
873,286.78/1,307,305.76 = 518,117.98/x - Step 3: Cross multiply
873,286.78x = 1,307,305.76 × 518,117.98 - Step 4: Simplify right side
873,286.78x = 677,338,613,077.04 - Step 5: Solve for x
x = 677,338,613,077.04/873,286.78 - Step 6: Final answer
x = 775,619.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.