Finding the Fourth Proportional to 756,905.70, 1,133,803.35 and 520,515.30
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Solution
The fourth proportional to 756,905.70, 1,133,803.35 and 520,515.30 is: 779,703.46
Step by Step Solution
- Step 1: Write the proportion equation
756,905.70 : 1,133,803.35 = 520,515.30 : x - Step 2: Convert to fraction form
756,905.70/1,133,803.35 = 520,515.30/x - Step 3: Cross multiply
756,905.70x = 1,133,803.35 × 520,515.30 - Step 4: Simplify right side
756,905.70x = 590,161,990,866.26 - Step 5: Solve for x
x = 590,161,990,866.26/756,905.70 - Step 6: Final answer
x = 779,703.46
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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.