Finding the Fourth Proportional to 517,661.35, 714,365.87 and 299,899.70
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Solution
The fourth proportional to 517,661.35, 714,365.87 and 299,899.70 is: 413,857.65
Step by Step Solution
- Step 1: Write the proportion equation
517,661.35 : 714,365.87 = 299,899.70 : x - Step 2: Convert to fraction form
517,661.35/714,365.87 = 299,899.70/x - Step 3: Cross multiply
517,661.35x = 714,365.87 × 299,899.70 - Step 4: Simplify right side
517,661.35x = 214,238,107,710.78 - Step 5: Solve for x
x = 214,238,107,710.78/517,661.35 - Step 6: Final answer
x = 413,857.65
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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.