Finding the Fourth Proportional to 680,992.71, 939,758.34 and 375,097.74
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Solution
The fourth proportional to 680,992.71, 939,758.34 and 375,097.74 is: 517,628.49
Step by Step Solution
- Step 1: Write the proportion equation
680,992.71 : 939,758.34 = 375,097.74 : x - Step 2: Convert to fraction form
680,992.71/939,758.34 = 375,097.74/x - Step 3: Cross multiply
680,992.71x = 939,758.34 × 375,097.74 - Step 4: Simplify right side
680,992.71x = 352,501,229,480.15 - Step 5: Solve for x
x = 352,501,229,480.15/680,992.71 - Step 6: Final answer
x = 517,628.49
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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.