Finding the Fourth Proportional to 677,866.23, 935,424.09 and 371,934.99
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Solution
The fourth proportional to 677,866.23, 935,424.09 and 371,934.99 is: 513,253.11
Step by Step Solution
- Step 1: Write the proportion equation
677,866.23 : 935,424.09 = 371,934.99 : x - Step 2: Convert to fraction form
677,866.23/935,424.09 = 371,934.99/x - Step 3: Cross multiply
677,866.23x = 935,424.09 × 371,934.99 - Step 4: Simplify right side
677,866.23x = 347,916,949,559.91 - Step 5: Solve for x
x = 347,916,949,559.91/677,866.23 - Step 6: Final answer
x = 513,253.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.