Finding the Fourth Proportional to 803,022.48, 1,108,242.12 and 440,516.99
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Solution
The fourth proportional to 803,022.48, 1,108,242.12 and 440,516.99 is: 607,952.44
Step by Step Solution
- Step 1: Write the proportion equation
803,022.48 : 1,108,242.12 = 440,516.99 : x - Step 2: Convert to fraction form
803,022.48/1,108,242.12 = 440,516.99/x - Step 3: Cross multiply
803,022.48x = 1,108,242.12 × 440,516.99 - Step 4: Simplify right side
803,022.48x = 488,199,477,352.41 - Step 5: Solve for x
x = 488,199,477,352.41/803,022.48 - Step 6: Final answer
x = 607,952.44
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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.