Finding the Fourth Proportional to 650,122.24, 896,807.64 and 378,159.52
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Solution
The fourth proportional to 650,122.24, 896,807.64 and 378,159.52 is: 521,650.12
Step by Step Solution
- Step 1: Write the proportion equation
650,122.24 : 896,807.64 = 378,159.52 : x - Step 2: Convert to fraction form
650,122.24/896,807.64 = 378,159.52/x - Step 3: Cross multiply
650,122.24x = 896,807.64 × 378,159.52 - Step 4: Simplify right side
650,122.24x = 339,136,346,674.73 - Step 5: Solve for x
x = 339,136,346,674.73/650,122.24 - Step 6: Final answer
x = 521,650.12
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1.5x scale
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.