Finding the Fourth Proportional to 498,762.24, 748,373.40 and 309,444.99
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Solution
The fourth proportional to 498,762.24, 748,373.40 and 309,444.99 is: 464,310.21
Step by Step Solution
- Step 1: Write the proportion equation
498,762.24 : 748,373.40 = 309,444.99 : x - Step 2: Convert to fraction form
498,762.24/748,373.40 = 309,444.99/x - Step 3: Cross multiply
498,762.24x = 748,373.40 × 309,444.99 - Step 4: Simplify right side
498,762.24x = 231,580,399,279.27 - Step 5: Solve for x
x = 231,580,399,279.27/498,762.24 - Step 6: Final answer
x = 464,310.21
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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.