Finding the Fourth Proportional to 893,661.30, 1,340,135.55 and 294,455.70
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Solution
The fourth proportional to 893,661.30, 1,340,135.55 and 294,455.70 is: 441,566.12
Step by Step Solution
- Step 1: Write the proportion equation
893,661.30 : 1,340,135.55 = 294,455.70 : x - Step 2: Convert to fraction form
893,661.30/1,340,135.55 = 294,455.70/x - Step 3: Cross multiply
893,661.30x = 1,340,135.55 × 294,455.70 - Step 4: Simplify right side
893,661.30x = 394,610,551,470.14 - Step 5: Solve for x
x = 394,610,551,470.14/893,661.30 - Step 6: Final answer
x = 441,566.12
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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.