Finding the Fourth Proportional to 518,923.63, 715,743.08 and 337,296.79
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Solution
The fourth proportional to 518,923.63, 715,743.08 and 337,296.79 is: 465,228.08
Step by Step Solution
- Step 1: Write the proportion equation
518,923.63 : 715,743.08 = 337,296.79 : x - Step 2: Convert to fraction form
518,923.63/715,743.08 = 337,296.79/x - Step 3: Cross multiply
518,923.63x = 715,743.08 × 337,296.79 - Step 4: Simplify right side
518,923.63x = 241,417,839,770.00 - Step 5: Solve for x
x = 241,417,839,770.00/518,923.63 - Step 6: Final answer
x = 465,228.08
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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.