Finding the Fourth Proportional to 562,806.42, 777,354.48 and 409,601.68
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Solution
The fourth proportional to 562,806.42, 777,354.48 and 409,601.68 is: 565,746.39
Step by Step Solution
- Step 1: Write the proportion equation
562,806.42 : 777,354.48 = 409,601.68 : x - Step 2: Convert to fraction form
562,806.42/777,354.48 = 409,601.68/x - Step 3: Cross multiply
562,806.42x = 777,354.48 × 409,601.68 - Step 4: Simplify right side
562,806.42x = 318,405,700,963.53 - Step 5: Solve for x
x = 318,405,700,963.53/562,806.42 - Step 6: Final answer
x = 565,746.39
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1.5x scale
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.