Finding the Fourth Proportional to 872,318.99, 1,308,477.11 and 273,326.12
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Solution
The fourth proportional to 872,318.99, 1,308,477.11 and 273,326.12 is: 409,988.74
Step by Step Solution
- Step 1: Write the proportion equation
872,318.99 : 1,308,477.11 = 273,326.12 : x - Step 2: Convert to fraction form
872,318.99/1,308,477.11 = 273,326.12/x - Step 3: Cross multiply
872,318.99x = 1,308,477.11 × 273,326.12 - Step 4: Simplify right side
872,318.99x = 357,640,963,676.10 - Step 5: Solve for x
x = 357,640,963,676.10/872,318.99 - Step 6: Final answer
x = 409,988.74
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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.