Finding the Fourth Proportional to 489,265.08, 674,560.92 and 316,878.52
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Solution
The fourth proportional to 489,265.08, 674,560.92 and 316,878.52 is: 436,887.64
Step by Step Solution
- Step 1: Write the proportion equation
489,265.08 : 674,560.92 = 316,878.52 : x - Step 2: Convert to fraction form
489,265.08/674,560.92 = 316,878.52/x - Step 3: Cross multiply
489,265.08x = 674,560.92 × 316,878.52 - Step 4: Simplify right side
489,265.08x = 213,753,865,979.44 - Step 5: Solve for x
x = 213,753,865,979.44/489,265.08 - Step 6: Final answer
x = 436,887.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.