Finding the Fourth Proportional to 492,669.60, 738,129.60 and 461,176.80
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Solution
The fourth proportional to 492,669.60, 738,129.60 and 461,176.80 is: 690,946.32
Step by Step Solution
- Step 1: Write the proportion equation
492,669.60 : 738,129.60 = 461,176.80 : x - Step 2: Convert to fraction form
492,669.60/738,129.60 = 461,176.80/x - Step 3: Cross multiply
492,669.60x = 738,129.60 × 461,176.80 - Step 4: Simplify right side
492,669.60x = 340,408,246,913.28 - Step 5: Solve for x
x = 340,408,246,913.28/492,669.60 - Step 6: Final answer
x = 690,946.32
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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.