Finding the Fourth Proportional to 878,198.19, 1,317,596.35 and 473,429.51
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Solution
The fourth proportional to 878,198.19, 1,317,596.35 and 473,429.51 is: 710,305.49
Step by Step Solution
- Step 1: Write the proportion equation
878,198.19 : 1,317,596.35 = 473,429.51 : x - Step 2: Convert to fraction form
878,198.19/1,317,596.35 = 473,429.51/x - Step 3: Cross multiply
878,198.19x = 1,317,596.35 × 473,429.51 - Step 4: Simplify right side
878,198.19x = 623,788,994,358.29 - Step 5: Solve for x
x = 623,788,994,358.29/878,198.19 - Step 6: Final answer
x = 710,305.49
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1.5x scale
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.