Finding the Fourth Proportional to 566,532.24, 781,821.36 and 311,900.64
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Solution
The fourth proportional to 566,532.24, 781,821.36 and 311,900.64 is: 430,426.66
Step by Step Solution
- Step 1: Write the proportion equation
566,532.24 : 781,821.36 = 311,900.64 : x - Step 2: Convert to fraction form
566,532.24/781,821.36 = 311,900.64/x - Step 3: Cross multiply
566,532.24x = 781,821.36 × 311,900.64 - Step 4: Simplify right side
566,532.24x = 243,850,582,549.67 - Step 5: Solve for x
x = 243,850,582,549.67/566,532.24 - Step 6: Final answer
x = 430,426.66
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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.