Finding the Fourth Proportional to 738,465.60, 1,107,610.56 and 239,829.12
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Solution
The fourth proportional to 738,465.60, 1,107,610.56 and 239,829.12 is: 359,715.15
Step by Step Solution
- Step 1: Write the proportion equation
738,465.60 : 1,107,610.56 = 239,829.12 : x - Step 2: Convert to fraction form
738,465.60/1,107,610.56 = 239,829.12/x - Step 3: Cross multiply
738,465.60x = 1,107,610.56 × 239,829.12 - Step 4: Simplify right side
738,465.60x = 265,637,265,907.51 - Step 5: Solve for x
x = 265,637,265,907.51/738,465.60 - Step 6: Final answer
x = 359,715.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.