Finding the Fourth Proportional to 848,411.84, 1,170,815.06 and 461,227.19
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Solution
The fourth proportional to 848,411.84, 1,170,815.06 and 461,227.19 is: 636,497.17
Step by Step Solution
- Step 1: Write the proportion equation
848,411.84 : 1,170,815.06 = 461,227.19 : x - Step 2: Convert to fraction form
848,411.84/1,170,815.06 = 461,227.19/x - Step 3: Cross multiply
848,411.84x = 1,170,815.06 × 461,227.19 - Step 4: Simplify right side
848,411.84x = 540,011,731,973.27 - Step 5: Solve for x
x = 540,011,731,973.27/848,411.84 - Step 6: Final answer
x = 636,497.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.