Finding the Fourth Proportional to 666,515.36, 999,920.97 and 261,746.62
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Solution
The fourth proportional to 666,515.36, 999,920.97 and 261,746.62 is: 392,678.02
Step by Step Solution
- Step 1: Write the proportion equation
666,515.36 : 999,920.97 = 261,746.62 : x - Step 2: Convert to fraction form
666,515.36/999,920.97 = 261,746.62/x - Step 3: Cross multiply
666,515.36x = 999,920.97 × 261,746.62 - Step 4: Simplify right side
666,515.36x = 261,725,929,165.02 - Step 5: Solve for x
x = 261,725,929,165.02/666,515.36 - Step 6: Final answer
x = 392,678.02
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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.