Finding the Fourth Proportional to 445,440.89, 614,774.99 and 350,660.81
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Solution
The fourth proportional to 445,440.89, 614,774.99 and 350,660.81 is: 483,964.32
Step by Step Solution
- Step 1: Write the proportion equation
445,440.89 : 614,774.99 = 350,660.81 : x - Step 2: Convert to fraction form
445,440.89/614,774.99 = 350,660.81/x - Step 3: Cross multiply
445,440.89x = 614,774.99 × 350,660.81 - Step 4: Simplify right side
445,440.89x = 215,577,495,961.14 - Step 5: Solve for x
x = 215,577,495,961.14/445,440.89 - Step 6: Final answer
x = 483,964.32
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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.