Finding the Fourth Proportional to 560,486.16, 840,705.72 and 260,863.68
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Solution
The fourth proportional to 560,486.16, 840,705.72 and 260,863.68 is: 391,284.57
Step by Step Solution
- Step 1: Write the proportion equation
560,486.16 : 840,705.72 = 260,863.68 : x - Step 2: Convert to fraction form
560,486.16/840,705.72 = 260,863.68/x - Step 3: Cross multiply
560,486.16x = 840,705.72 × 260,863.68 - Step 4: Simplify right side
560,486.16x = 219,309,587,916.25 - Step 5: Solve for x
x = 219,309,587,916.25/560,486.16 - Step 6: Final answer
x = 391,284.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.