Finding the Fourth Proportional to 775,062.87, 1,069,585.29 and 430,930.58
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Solution
The fourth proportional to 775,062.87, 1,069,585.29 and 430,930.58 is: 594,683.37
Step by Step Solution
- Step 1: Write the proportion equation
775,062.87 : 1,069,585.29 = 430,930.58 : x - Step 2: Convert to fraction form
775,062.87/1,069,585.29 = 430,930.58/x - Step 3: Cross multiply
775,062.87x = 1,069,585.29 × 430,930.58 - Step 4: Simplify right side
775,062.87x = 460,917,004,031.24 - Step 5: Solve for x
x = 460,917,004,031.24/775,062.87 - Step 6: Final answer
x = 594,683.37
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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.