Finding the Fourth Proportional to 731,757.60, 1,097,636.40 and 480,625.20
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Solution
The fourth proportional to 731,757.60, 1,097,636.40 and 480,625.20 is: 720,937.80
Step by Step Solution
- Step 1: Write the proportion equation
731,757.60 : 1,097,636.40 = 480,625.20 : x - Step 2: Convert to fraction form
731,757.60/1,097,636.40 = 480,625.20/x - Step 3: Cross multiply
731,757.60x = 1,097,636.40 × 480,625.20 - Step 4: Simplify right side
731,757.60x = 527,551,714,277.28 - Step 5: Solve for x
x = 527,551,714,277.28/731,757.60 - Step 6: Final answer
x = 720,937.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.