Finding the Fourth Proportional to 692,427.26, 1,038,775.35 and 265,931.75
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Solution
The fourth proportional to 692,427.26, 1,038,775.35 and 265,931.75 is: 398,949.27
Step by Step Solution
- Step 1: Write the proportion equation
692,427.26 : 1,038,775.35 = 265,931.75 : x - Step 2: Convert to fraction form
692,427.26/1,038,775.35 = 265,931.75/x - Step 3: Cross multiply
692,427.26x = 1,038,775.35 × 265,931.75 - Step 4: Simplify right side
692,427.26x = 276,243,346,682.36 - Step 5: Solve for x
x = 276,243,346,682.36/692,427.26 - Step 6: Final answer
x = 398,949.27
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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.