Finding the Fourth Proportional to 755,631.99, 1,133,527.46 and 435,776.58
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Solution
The fourth proportional to 755,631.99, 1,133,527.46 and 435,776.58 is: 653,710.70
Step by Step Solution
- Step 1: Write the proportion equation
755,631.99 : 1,133,527.46 = 435,776.58 : x - Step 2: Convert to fraction form
755,631.99/1,133,527.46 = 435,776.58/x - Step 3: Cross multiply
755,631.99x = 1,133,527.46 × 435,776.58 - Step 4: Simplify right side
755,631.99x = 493,964,717,676.00 - Step 5: Solve for x
x = 493,964,717,676.00/755,631.99 - Step 6: Final answer
x = 653,710.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.