Finding the Fourth Proportional to 848,393.65, 1,170,772.73 and 466,417.09
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Solution
The fourth proportional to 848,393.65, 1,170,772.73 and 466,417.09 is: 643,649.80
Step by Step Solution
- Step 1: Write the proportion equation
848,393.65 : 1,170,772.73 = 466,417.09 : x - Step 2: Convert to fraction form
848,393.65/1,170,772.73 = 466,417.09/x - Step 3: Cross multiply
848,393.65x = 1,170,772.73 × 466,417.09 - Step 4: Simplify right side
848,393.65x = 546,068,403,924.09 - Step 5: Solve for x
x = 546,068,403,924.09/848,393.65 - Step 6: Final answer
x = 643,649.80
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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.