Finding the Fourth Proportional to 840,841.56, 1,160,385.84 and 458,893.08
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Solution
The fourth proportional to 840,841.56, 1,160,385.84 and 458,893.08 is: 633,285.81
Step by Step Solution
- Step 1: Write the proportion equation
840,841.56 : 1,160,385.84 = 458,893.08 : x - Step 2: Convert to fraction form
840,841.56/1,160,385.84 = 458,893.08/x - Step 3: Cross multiply
840,841.56x = 1,160,385.84 × 458,893.08 - Step 4: Simplify right side
840,841.56x = 532,493,032,105.99 - Step 5: Solve for x
x = 532,493,032,105.99/840,841.56 - Step 6: Final answer
x = 633,285.81
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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.