Finding the Fourth Proportional to 893,346.50, 1,339,731.78 and 294,164.99
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Solution
The fourth proportional to 893,346.50, 1,339,731.78 and 294,164.99 is: 441,152.66
Step by Step Solution
- Step 1: Write the proportion equation
893,346.50 : 1,339,731.78 = 294,164.99 : x - Step 2: Convert to fraction form
893,346.50/1,339,731.78 = 294,164.99/x - Step 3: Cross multiply
893,346.50x = 1,339,731.78 × 294,164.99 - Step 4: Simplify right side
893,346.50x = 394,102,185,666.38 - Step 5: Solve for x
x = 394,102,185,666.38/893,346.50 - Step 6: Final answer
x = 441,152.66
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1.5x scale
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.