Finding the Fourth Proportional to 538,497.14, 807,657.87 and 380,246.90
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Solution
The fourth proportional to 538,497.14, 807,657.87 and 380,246.90 is: 570,308.32
Step by Step Solution
- Step 1: Write the proportion equation
538,497.14 : 807,657.87 = 380,246.90 : x - Step 2: Convert to fraction form
538,497.14/807,657.87 = 380,246.90/x - Step 3: Cross multiply
538,497.14x = 807,657.87 × 380,246.90 - Step 4: Simplify right side
538,497.14x = 307,109,401,328.10 - Step 5: Solve for x
x = 307,109,401,328.10/538,497.14 - Step 6: Final answer
x = 570,308.32
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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.