Finding the Fourth Proportional to 533,984.26, 736,892.65 and 288,963.65
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Solution
The fourth proportional to 533,984.26, 736,892.65 and 288,963.65 is: 398,766.79
Step by Step Solution
- Step 1: Write the proportion equation
533,984.26 : 736,892.65 = 288,963.65 : x - Step 2: Convert to fraction form
533,984.26/736,892.65 = 288,963.65/x - Step 3: Cross multiply
533,984.26x = 736,892.65 × 288,963.65 - Step 4: Simplify right side
533,984.26x = 212,935,189,802.17 - Step 5: Solve for x
x = 212,935,189,802.17/533,984.26 - Step 6: Final answer
x = 398,766.79
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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.