Finding the Fourth Proportional to 874,952.63, 1,207,434.63 and 472,544.63
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Solution
The fourth proportional to 874,952.63, 1,207,434.63 and 472,544.63 is: 652,111.59
Step by Step Solution
- Step 1: Write the proportion equation
874,952.63 : 1,207,434.63 = 472,544.63 : x - Step 2: Convert to fraction form
874,952.63/1,207,434.63 = 472,544.63/x - Step 3: Cross multiply
874,952.63x = 1,207,434.63 × 472,544.63 - Step 4: Simplify right side
874,952.63x = 570,566,744,445.36 - Step 5: Solve for x
x = 570,566,744,445.36/874,952.63 - Step 6: Final answer
x = 652,111.59
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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.