Finding the Fourth Proportional to 848,698.74, 1,171,235.05 and 486,192.66
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Solution
The fourth proportional to 848,698.74, 1,171,235.05 and 486,192.66 is: 670,963.51
Step by Step Solution
- Step 1: Write the proportion equation
848,698.74 : 1,171,235.05 = 486,192.66 : x - Step 2: Convert to fraction form
848,698.74/1,171,235.05 = 486,192.66/x - Step 3: Cross multiply
848,698.74x = 1,171,235.05 × 486,192.66 - Step 4: Simplify right side
848,698.74x = 569,445,878,588.56 - Step 5: Solve for x
x = 569,445,878,588.56/848,698.74 - Step 6: Final answer
x = 670,963.51
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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.