Finding the Fourth Proportional to 527,378.68, 727,730.49 and 294,762.70
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Solution
The fourth proportional to 527,378.68, 727,730.49 and 294,762.70 is: 406,743.41
Step by Step Solution
- Step 1: Write the proportion equation
527,378.68 : 727,730.49 = 294,762.70 : x - Step 2: Convert to fraction form
527,378.68/727,730.49 = 294,762.70/x - Step 3: Cross multiply
527,378.68x = 727,730.49 × 294,762.70 - Step 4: Simplify right side
527,378.68x = 214,507,804,104.72 - Step 5: Solve for x
x = 214,507,804,104.72/527,378.68 - Step 6: Final answer
x = 406,743.41
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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.