Finding the Fourth Proportional to 874,869.10, 1,207,319.37 and 472,461.10
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Solution
The fourth proportional to 874,869.10, 1,207,319.37 and 472,461.10 is: 651,996.32
Step by Step Solution
- Step 1: Write the proportion equation
874,869.10 : 1,207,319.37 = 472,461.10 : x - Step 2: Convert to fraction form
874,869.10/1,207,319.37 = 472,461.10/x - Step 3: Cross multiply
874,869.10x = 1,207,319.37 × 472,461.10 - Step 4: Simplify right side
874,869.10x = 570,411,434,583.21 - Step 5: Solve for x
x = 570,411,434,583.21/874,869.10 - Step 6: Final answer
x = 651,996.32
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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.