Finding the Fourth Proportional to 770,460.80, 1,154,913.60 and 350,038.40
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Solution
The fourth proportional to 770,460.80, 1,154,913.60 and 350,038.40 is: 524,704.32
Step by Step Solution
- Step 1: Write the proportion equation
770,460.80 : 1,154,913.60 = 350,038.40 : x - Step 2: Convert to fraction form
770,460.80/1,154,913.60 = 350,038.40/x - Step 3: Cross multiply
770,460.80x = 1,154,913.60 × 350,038.40 - Step 4: Simplify right side
770,460.80x = 404,264,108,682.24 - Step 5: Solve for x
x = 404,264,108,682.24/770,460.80 - Step 6: Final answer
x = 524,704.32
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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.