Finding the Fourth Proportional to 803,367.16, 1,108,609.26 and 440,782.84
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Solution
The fourth proportional to 803,367.16, 1,108,609.26 and 440,782.84 is: 608,259.79
Step by Step Solution
- Step 1: Write the proportion equation
803,367.16 : 1,108,609.26 = 440,782.84 : x - Step 2: Convert to fraction form
803,367.16/1,108,609.26 = 440,782.84/x - Step 3: Cross multiply
803,367.16x = 1,108,609.26 × 440,782.84 - Step 4: Simplify right side
803,367.16x = 488,655,938,073.10 - Step 5: Solve for x
x = 488,655,938,073.10/803,367.16 - Step 6: Final answer
x = 608,259.79
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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.