Finding the Fourth Proportional to 851,258.84, 1,174,737.06 and 488,706.08
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Solution
The fourth proportional to 851,258.84, 1,174,737.06 and 488,706.08 is: 674,414.31
Step by Step Solution
- Step 1: Write the proportion equation
851,258.84 : 1,174,737.06 = 488,706.08 : x - Step 2: Convert to fraction form
851,258.84/1,174,737.06 = 488,706.08/x - Step 3: Cross multiply
851,258.84x = 1,174,737.06 × 488,706.08 - Step 4: Simplify right side
851,258.84x = 574,101,137,749.64 - Step 5: Solve for x
x = 574,101,137,749.64/851,258.84 - Step 6: Final answer
x = 674,414.31
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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.