Finding the Fourth Proportional to 679,246.40, 937,369.73 and 373,351.06
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Solution
The fourth proportional to 679,246.40, 937,369.73 and 373,351.06 is: 515,229.79
Step by Step Solution
- Step 1: Write the proportion equation
679,246.40 : 937,369.73 = 373,351.06 : x - Step 2: Convert to fraction form
679,246.40/937,369.73 = 373,351.06/x - Step 3: Cross multiply
679,246.40x = 937,369.73 × 373,351.06 - Step 4: Simplify right side
679,246.40x = 349,967,982,307.41 - Step 5: Solve for x
x = 349,967,982,307.41/679,246.40 - Step 6: Final answer
x = 515,229.79
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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.