Finding the Fourth Proportional to 854,727.78, 1,282,159.08 and 286,112.19
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Solution
The fourth proportional to 854,727.78, 1,282,159.08 and 286,112.19 is: 429,190.85
Step by Step Solution
- Step 1: Write the proportion equation
854,727.78 : 1,282,159.08 = 286,112.19 : x - Step 2: Convert to fraction form
854,727.78/1,282,159.08 = 286,112.19/x - Step 3: Cross multiply
854,727.78x = 1,282,159.08 × 286,112.19 - Step 4: Simplify right side
854,727.78x = 366,841,342,307.19 - Step 5: Solve for x
x = 366,841,342,307.19/854,727.78 - Step 6: Final answer
x = 429,190.85
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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.