Finding the Fourth Proportional to 609,328.41, 841,749.11 and 486,659.75
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Solution
The fourth proportional to 609,328.41, 841,749.11 and 486,659.75 is: 672,290.01
Step by Step Solution
- Step 1: Write the proportion equation
609,328.41 : 841,749.11 = 486,659.75 : x - Step 2: Convert to fraction form
609,328.41/841,749.11 = 486,659.75/x - Step 3: Cross multiply
609,328.41x = 841,749.11 × 486,659.75 - Step 4: Simplify right side
609,328.41x = 409,645,404,793.28 - Step 5: Solve for x
x = 409,645,404,793.28/609,328.41 - Step 6: Final answer
x = 672,290.01
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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.