Finding the Fourth Proportional to 564,825.13, 847,432.10 and 354,216.49
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Solution
The fourth proportional to 564,825.13, 847,432.10 and 354,216.49 is: 531,446.65
Step by Step Solution
- Step 1: Write the proportion equation
564,825.13 : 847,432.10 = 354,216.49 : x - Step 2: Convert to fraction form
564,825.13/847,432.10 = 354,216.49/x - Step 3: Cross multiply
564,825.13x = 847,432.10 × 354,216.49 - Step 4: Simplify right side
564,825.13x = 300,174,423,975.33 - Step 5: Solve for x
x = 300,174,423,975.33/564,825.13 - Step 6: Final answer
x = 531,446.65
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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.