Finding the Fourth Proportional to 564,713.78, 779,283.69 and 349,849.23
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Solution
The fourth proportional to 564,713.78, 779,283.69 and 349,849.23 is: 482,778.72
Step by Step Solution
- Step 1: Write the proportion equation
564,713.78 : 779,283.69 = 349,849.23 : x - Step 2: Convert to fraction form
564,713.78/779,283.69 = 349,849.23/x - Step 3: Cross multiply
564,713.78x = 779,283.69 × 349,849.23 - Step 4: Simplify right side
564,713.78x = 272,631,794,663.81 - Step 5: Solve for x
x = 272,631,794,663.81/564,713.78 - Step 6: Final answer
x = 482,778.72
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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.