Finding the Fourth Proportional to 803,494.58, 1,108,768.28 and 440,941.68
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Solution
The fourth proportional to 803,494.58, 1,108,768.28 and 440,941.68 is: 608,469.75
Step by Step Solution
- Step 1: Write the proportion equation
803,494.58 : 1,108,768.28 = 440,941.68 : x - Step 2: Convert to fraction form
803,494.58/1,108,768.28 = 440,941.68/x - Step 3: Cross multiply
803,494.58x = 1,108,768.28 × 440,941.68 - Step 4: Simplify right side
803,494.58x = 488,902,145,909.20 - Step 5: Solve for x
x = 488,902,145,909.20/803,494.58 - Step 6: Final answer
x = 608,469.75
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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.