Finding the Fourth Proportional to 1,353,112.76, 2,029,513.62 and 355,918.52
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Solution
The fourth proportional to 1,353,112.76, 2,029,513.62 and 355,918.52 is: 533,836.87
Step by Step Solution
- Step 1: Write the proportion equation
1,353,112.76 : 2,029,513.62 = 355,918.52 : x - Step 2: Convert to fraction form
1,353,112.76/2,029,513.62 = 355,918.52/x - Step 3: Cross multiply
1,353,112.76x = 2,029,513.62 × 355,918.52 - Step 4: Simplify right side
1,353,112.76x = 722,341,483,950.24 - Step 5: Solve for x
x = 722,341,483,950.24/1,353,112.76 - Step 6: Final answer
x = 533,836.87
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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.