Finding the Fourth Proportional to 529,653.30, 730,836.99 and 348,438.48
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Solution
The fourth proportional to 529,653.30, 730,836.99 and 348,438.48 is: 480,789.47
Step by Step Solution
- Step 1: Write the proportion equation
529,653.30 : 730,836.99 = 348,438.48 : x - Step 2: Convert to fraction form
529,653.30/730,836.99 = 348,438.48/x - Step 3: Cross multiply
529,653.30x = 730,836.99 × 348,438.48 - Step 4: Simplify right side
529,653.30x = 254,651,729,923.38 - Step 5: Solve for x
x = 254,651,729,923.38/529,653.30 - Step 6: Final answer
x = 480,789.47
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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.