Finding the Fourth Proportional to 924,192.10, 1,386,445.79 and 412,043.08
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Solution
The fourth proportional to 924,192.10, 1,386,445.79 and 412,043.08 is: 618,134.89
Step by Step Solution
- Step 1: Write the proportion equation
924,192.10 : 1,386,445.79 = 412,043.08 : x - Step 2: Convert to fraction form
924,192.10/1,386,445.79 = 412,043.08/x - Step 3: Cross multiply
924,192.10x = 1,386,445.79 × 412,043.08 - Step 4: Simplify right side
924,192.10x = 571,275,388,669.96 - Step 5: Solve for x
x = 571,275,388,669.96/924,192.10 - Step 6: Final answer
x = 618,134.89
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1.5x scale
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.