Finding the Fourth Proportional to 874,339.24, 1,206,564.50 and 492,357.80
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Solution
The fourth proportional to 874,339.24, 1,206,564.50 and 492,357.80 is: 679,440.45
Step by Step Solution
- Step 1: Write the proportion equation
874,339.24 : 1,206,564.50 = 492,357.80 : x - Step 2: Convert to fraction form
874,339.24/1,206,564.50 = 492,357.80/x - Step 3: Cross multiply
874,339.24x = 1,206,564.50 × 492,357.80 - Step 4: Simplify right side
874,339.24x = 594,061,442,778.10 - Step 5: Solve for x
x = 594,061,442,778.10/874,339.24 - Step 6: Final answer
x = 679,440.45
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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.