Finding the Fourth Proportional to 583,729.85, 805,424.37 and 354,407.65
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Solution
The fourth proportional to 583,729.85, 805,424.37 and 354,407.65 is: 489,007.99
Step by Step Solution
- Step 1: Write the proportion equation
583,729.85 : 805,424.37 = 354,407.65 : x - Step 2: Convert to fraction form
583,729.85/805,424.37 = 354,407.65/x - Step 3: Cross multiply
583,729.85x = 805,424.37 × 354,407.65 - Step 4: Simplify right side
583,729.85x = 285,448,558,224.43 - Step 5: Solve for x
x = 285,448,558,224.43/583,729.85 - Step 6: Final answer
x = 489,007.99
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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.