Finding the Fourth Proportional to 528,842.18, 791,509.08 and 481,566.53
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Solution
The fourth proportional to 528,842.18, 791,509.08 and 481,566.53 is: 720,752.42
Step by Step Solution
- Step 1: Write the proportion equation
528,842.18 : 791,509.08 = 481,566.53 : x - Step 2: Convert to fraction form
528,842.18/791,509.08 = 481,566.53/x - Step 3: Cross multiply
528,842.18x = 791,509.08 × 481,566.53 - Step 4: Simplify right side
528,842.18x = 381,164,281,119.09 - Step 5: Solve for x
x = 381,164,281,119.09/528,842.18 - Step 6: Final answer
x = 720,752.42
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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.