Finding the Fourth Proportional to 488,746.08, 674,799.12 and 305,264.88
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Solution
The fourth proportional to 488,746.08, 674,799.12 and 305,264.88 is: 421,471.35
Step by Step Solution
- Step 1: Write the proportion equation
488,746.08 : 674,799.12 = 305,264.88 : x - Step 2: Convert to fraction form
488,746.08/674,799.12 = 305,264.88/x - Step 3: Cross multiply
488,746.08x = 674,799.12 × 305,264.88 - Step 4: Simplify right side
488,746.08x = 205,992,472,390.91 - Step 5: Solve for x
x = 205,992,472,390.91/488,746.08 - Step 6: Final answer
x = 421,471.35
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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.