Finding the Fourth Proportional to 692,475.62, 1,038,351.60 and 313,215.17
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Solution
The fourth proportional to 692,475.62, 1,038,351.60 and 313,215.17 is: 469,659.09
Step by Step Solution
- Step 1: Write the proportion equation
692,475.62 : 1,038,351.60 = 313,215.17 : x - Step 2: Convert to fraction form
692,475.62/1,038,351.60 = 313,215.17/x - Step 3: Cross multiply
692,475.62x = 1,038,351.60 × 313,215.17 - Step 4: Simplify right side
692,475.62x = 325,227,467,722.01 - Step 5: Solve for x
x = 325,227,467,722.01/692,475.62 - Step 6: Final answer
x = 469,659.09
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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.