Finding the Fourth Proportional to 653,792.98, 902,479.06 and 490,919.99
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Solution
The fourth proportional to 653,792.98, 902,479.06 and 490,919.99 is: 677,653.36
Step by Step Solution
- Step 1: Write the proportion equation
653,792.98 : 902,479.06 = 490,919.99 : x - Step 2: Convert to fraction form
653,792.98/902,479.06 = 490,919.99/x - Step 3: Cross multiply
653,792.98x = 902,479.06 × 490,919.99 - Step 4: Simplify right side
653,792.98x = 443,045,009,883.11 - Step 5: Solve for x
x = 443,045,009,883.11/653,792.98 - Step 6: Final answer
x = 677,653.36
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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.