Finding the Fourth Proportional to 802,298.42, 1,107,121.63 and 439,696.56
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Solution
The fourth proportional to 802,298.42, 1,107,121.63 and 439,696.56 is: 606,753.75
Step by Step Solution
- Step 1: Write the proportion equation
802,298.42 : 1,107,121.63 = 439,696.56 : x - Step 2: Convert to fraction form
802,298.42/1,107,121.63 = 439,696.56/x - Step 3: Cross multiply
802,298.42x = 1,107,121.63 × 439,696.56 - Step 4: Simplify right side
802,298.42x = 486,797,572,212.59 - Step 5: Solve for x
x = 486,797,572,212.59/802,298.42 - Step 6: Final answer
x = 606,753.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.