Finding the Fourth Proportional to 878,267.26, 1,212,009.62 and 475,859.26
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Solution
The fourth proportional to 878,267.26, 1,212,009.62 and 475,859.26 is: 656,686.21
Step by Step Solution
- Step 1: Write the proportion equation
878,267.26 : 1,212,009.62 = 475,859.26 : x - Step 2: Convert to fraction form
878,267.26/1,212,009.62 = 475,859.26/x - Step 3: Cross multiply
878,267.26x = 1,212,009.62 × 475,859.26 - Step 4: Simplify right side
878,267.26x = 576,746,000,886.08 - Step 5: Solve for x
x = 576,746,000,886.08/878,267.26 - Step 6: Final answer
x = 656,686.21
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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.