Finding the Fourth Proportional to 677,857.23, 935,411.68 and 371,926.00
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Solution
The fourth proportional to 677,857.23, 935,411.68 and 371,926.00 is: 513,240.71
Step by Step Solution
- Step 1: Write the proportion equation
677,857.23 : 935,411.68 = 371,926.00 : x - Step 2: Convert to fraction form
677,857.23/935,411.68 = 371,926.00/x - Step 3: Cross multiply
677,857.23x = 935,411.68 × 371,926.00 - Step 4: Simplify right side
677,857.23x = 347,903,928,237.68 - Step 5: Solve for x
x = 347,903,928,237.68/677,857.23 - Step 6: Final answer
x = 513,240.71
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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.