Finding the Fourth Proportional to 651,869.44, 899,621.40 and 365,389.60
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Solution
The fourth proportional to 651,869.44, 899,621.40 and 365,389.60 is: 504,260.95
Step by Step Solution
- Step 1: Write the proportion equation
651,869.44 : 899,621.40 = 365,389.60 : x - Step 2: Convert to fraction form
651,869.44/899,621.40 = 365,389.60/x - Step 3: Cross multiply
651,869.44x = 899,621.40 × 365,389.60 - Step 4: Simplify right side
651,869.44x = 328,712,303,497.44 - Step 5: Solve for x
x = 328,712,303,497.44/651,869.44 - Step 6: Final answer
x = 504,260.95
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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.