Finding the Fourth Proportional to 880,251.84, 1,214,560.68 and 517,543.32
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Solution
The fourth proportional to 880,251.84, 1,214,560.68 and 517,543.32 is: 714,099.92
Step by Step Solution
- Step 1: Write the proportion equation
880,251.84 : 1,214,560.68 = 517,543.32 : x - Step 2: Convert to fraction form
880,251.84/1,214,560.68 = 517,543.32/x - Step 3: Cross multiply
880,251.84x = 1,214,560.68 × 517,543.32 - Step 4: Simplify right side
880,251.84x = 628,587,766,668.66 - Step 5: Solve for x
x = 628,587,766,668.66/880,251.84 - Step 6: Final answer
x = 714,099.92
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1.5x scale
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.