Finding the Fourth Proportional to 654,247.36, 902,703.72 and 382,160.80
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Solution
The fourth proportional to 654,247.36, 902,703.72 and 382,160.80 is: 527,289.82
Step by Step Solution
- Step 1: Write the proportion equation
654,247.36 : 902,703.72 = 382,160.80 : x - Step 2: Convert to fraction form
654,247.36/902,703.72 = 382,160.80/x - Step 3: Cross multiply
654,247.36x = 902,703.72 × 382,160.80 - Step 4: Simplify right side
654,247.36x = 344,977,975,798.18 - Step 5: Solve for x
x = 344,977,975,798.18/654,247.36 - Step 6: Final answer
x = 527,289.82
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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.