Finding the Fourth Proportional to 893,418.66, 1,340,378.13 and 361,313.36
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Solution
The fourth proportional to 893,418.66, 1,340,378.13 and 361,313.36 is: 542,071.20
Step by Step Solution
- Step 1: Write the proportion equation
893,418.66 : 1,340,378.13 = 361,313.36 : x - Step 2: Convert to fraction form
893,418.66/1,340,378.13 = 361,313.36/x - Step 3: Cross multiply
893,418.66x = 1,340,378.13 × 361,313.36 - Step 4: Simplify right side
893,418.66x = 484,296,523,467.88 - Step 5: Solve for x
x = 484,296,523,467.88/893,418.66 - Step 6: Final answer
x = 542,071.20
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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.