Finding the Fourth Proportional to 832,321.08, 1,248,536.99 and 292,512.08
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Solution
The fourth proportional to 832,321.08, 1,248,536.99 and 292,512.08 is: 438,787.57
Step by Step Solution
- Step 1: Write the proportion equation
832,321.08 : 1,248,536.99 = 292,512.08 : x - Step 2: Convert to fraction form
832,321.08/1,248,536.99 = 292,512.08/x - Step 3: Cross multiply
832,321.08x = 1,248,536.99 × 292,512.08 - Step 4: Simplify right side
832,321.08x = 365,212,145,659.15 - Step 5: Solve for x
x = 365,212,145,659.15/832,321.08 - Step 6: Final answer
x = 438,787.57
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1.5x scale
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.