Finding the Fourth Proportional to 971,518.23, 1,454,244.77 and 715,639.26
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Solution
The fourth proportional to 971,518.23, 1,454,244.77 and 715,639.26 is: 1,071,225.05
Step by Step Solution
- Step 1: Write the proportion equation
971,518.23 : 1,454,244.77 = 715,639.26 : x - Step 2: Convert to fraction form
971,518.23/1,454,244.77 = 715,639.26/x - Step 3: Cross multiply
971,518.23x = 1,454,244.77 × 715,639.26 - Step 4: Simplify right side
971,518.23x = 1,040,714,659,198.74 - Step 5: Solve for x
x = 1,040,714,659,198.74/971,518.23 - Step 6: Final answer
x = 1,071,225.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.