Finding the Fourth Proportional to 702,040.18, 968,731.98 and 396,098.98
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Solution
The fourth proportional to 702,040.18, 968,731.98 and 396,098.98 is: 546,569.50
Step by Step Solution
- Step 1: Write the proportion equation
702,040.18 : 968,731.98 = 396,098.98 : x - Step 2: Convert to fraction form
702,040.18/968,731.98 = 396,098.98/x - Step 3: Cross multiply
702,040.18x = 968,731.98 × 396,098.98 - Step 4: Simplify right side
702,040.18x = 383,713,749,171.38 - Step 5: Solve for x
x = 383,713,749,171.38/702,040.18 - Step 6: Final answer
x = 546,569.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.