Finding the Fourth Proportional to 889,573.92, 1,334,160.75 and 409,341.06
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Solution
The fourth proportional to 889,573.92, 1,334,160.75 and 409,341.06 is: 613,919.50
Step by Step Solution
- Step 1: Write the proportion equation
889,573.92 : 1,334,160.75 = 409,341.06 : x - Step 2: Convert to fraction form
889,573.92/1,334,160.75 = 409,341.06/x - Step 3: Cross multiply
889,573.92x = 1,334,160.75 × 409,341.06 - Step 4: Simplify right side
889,573.92x = 546,126,775,615.40 - Step 5: Solve for x
x = 546,126,775,615.40/889,573.92 - Step 6: Final answer
x = 613,919.50
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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.