Finding the Fourth Proportional to 553,311.80, 829,967.70 and 541,647.80
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Solution
The fourth proportional to 553,311.80, 829,967.70 and 541,647.80 is: 812,471.70
Step by Step Solution
- Step 1: Write the proportion equation
553,311.80 : 829,967.70 = 541,647.80 : x - Step 2: Convert to fraction form
553,311.80/829,967.70 = 541,647.80/x - Step 3: Cross multiply
553,311.80x = 829,967.70 × 541,647.80 - Step 4: Simplify right side
553,311.80x = 449,550,178,776.06 - Step 5: Solve for x
x = 449,550,178,776.06/553,311.80 - Step 6: Final answer
x = 812,471.70
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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.