Finding the Fourth Proportional to 728,307.08, 1,004,494.02 and 473,739.56
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Solution
The fourth proportional to 728,307.08, 1,004,494.02 and 473,739.56 is: 653,389.99
Step by Step Solution
- Step 1: Write the proportion equation
728,307.08 : 1,004,494.02 = 473,739.56 : x - Step 2: Convert to fraction form
728,307.08/1,004,494.02 = 473,739.56/x - Step 3: Cross multiply
728,307.08x = 1,004,494.02 × 473,739.56 - Step 4: Simplify right side
728,307.08x = 475,868,555,057.43 - Step 5: Solve for x
x = 475,868,555,057.43/728,307.08 - Step 6: Final answer
x = 653,389.99
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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.