Finding the Fourth Proportional to 783,495.84, 1,081,224.72 and 425,799.84
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Solution
The fourth proportional to 783,495.84, 1,081,224.72 and 425,799.84 is: 587,604.03
Step by Step Solution
- Step 1: Write the proportion equation
783,495.84 : 1,081,224.72 = 425,799.84 : x - Step 2: Convert to fraction form
783,495.84/1,081,224.72 = 425,799.84/x - Step 3: Cross multiply
783,495.84x = 1,081,224.72 × 425,799.84 - Step 4: Simplify right side
783,495.84x = 460,385,312,780.05 - Step 5: Solve for x
x = 460,385,312,780.05/783,495.84 - Step 6: Final answer
x = 587,604.03
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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.