Finding the Fourth Proportional to 1,105,609.37, 1,658,423.33 and 306,953.19
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Solution
The fourth proportional to 1,105,609.37, 1,658,423.33 and 306,953.19 is: 460,432.36
Step by Step Solution
- Step 1: Write the proportion equation
1,105,609.37 : 1,658,423.33 = 306,953.19 : x - Step 2: Convert to fraction form
1,105,609.37/1,658,423.33 = 306,953.19/x - Step 3: Cross multiply
1,105,609.37x = 1,658,423.33 × 306,953.19 - Step 4: Simplify right side
1,105,609.37x = 509,058,332,281.31 - Step 5: Solve for x
x = 509,058,332,281.31/1,105,609.37 - Step 6: Final answer
x = 460,432.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.