Finding the Fourth Proportional to 971,519.23, 1,454,246.27 and 715,640.26
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Solution
The fourth proportional to 971,519.23, 1,454,246.27 and 715,640.26 is: 1,071,226.54
Step by Step Solution
- Step 1: Write the proportion equation
971,519.23 : 1,454,246.27 = 715,640.26 : x - Step 2: Convert to fraction form
971,519.23/1,454,246.27 = 715,640.26/x - Step 3: Cross multiply
971,519.23x = 1,454,246.27 × 715,640.26 - Step 4: Simplify right side
971,519.23x = 1,040,717,178,766.83 - Step 5: Solve for x
x = 1,040,717,178,766.83/971,519.23 - Step 6: Final answer
x = 1,071,226.54
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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.