Finding the Fourth Proportional to 413,490.53, 570,678.64 and 252,438.94
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Solution
The fourth proportional to 413,490.53, 570,678.64 and 252,438.94 is: 348,403.41
Step by Step Solution
- Step 1: Write the proportion equation
413,490.53 : 570,678.64 = 252,438.94 : x - Step 2: Convert to fraction form
413,490.53/570,678.64 = 252,438.94/x - Step 3: Cross multiply
413,490.53x = 570,678.64 × 252,438.94 - Step 4: Simplify right side
413,490.53x = 144,061,510,962.24 - Step 5: Solve for x
x = 144,061,510,962.24/413,490.53 - Step 6: Final answer
x = 348,403.41
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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.