Finding the Fourth Proportional to 904,811.64, 1,357,403.79 and 265,136.19
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Solution
The fourth proportional to 904,811.64, 1,357,403.79 and 265,136.19 is: 397,758.88
Step by Step Solution
- Step 1: Write the proportion equation
904,811.64 : 1,357,403.79 = 265,136.19 : x - Step 2: Convert to fraction form
904,811.64/1,357,403.79 = 265,136.19/x - Step 3: Cross multiply
904,811.64x = 1,357,403.79 × 265,136.19 - Step 4: Simplify right side
904,811.64x = 359,896,861,059.46 - Step 5: Solve for x
x = 359,896,861,059.46/904,811.64 - Step 6: Final answer
x = 397,758.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.