Finding the Fourth Proportional to 894,945.14, 1,235,000.61 and 487,038.21
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Solution
The fourth proportional to 894,945.14, 1,235,000.61 and 487,038.21 is: 672,099.84
Step by Step Solution
- Step 1: Write the proportion equation
894,945.14 : 1,235,000.61 = 487,038.21 : x - Step 2: Convert to fraction form
894,945.14/1,235,000.61 = 487,038.21/x - Step 3: Cross multiply
894,945.14x = 1,235,000.61 × 487,038.21 - Step 4: Simplify right side
894,945.14x = 601,492,486,443.31 - Step 5: Solve for x
x = 601,492,486,443.31/894,945.14 - Step 6: Final answer
x = 672,099.84
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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.