Finding the Fourth Proportional to 640,027.08, 883,200.74 and 382,194.96
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Solution
The fourth proportional to 640,027.08, 883,200.74 and 382,194.96 is: 527,407.17
Step by Step Solution
- Step 1: Write the proportion equation
640,027.08 : 883,200.74 = 382,194.96 : x - Step 2: Convert to fraction form
640,027.08/883,200.74 = 382,194.96/x - Step 3: Cross multiply
640,027.08x = 883,200.74 × 382,194.96 - Step 4: Simplify right side
640,027.08x = 337,554,871,496.27 - Step 5: Solve for x
x = 337,554,871,496.27/640,027.08 - Step 6: Final answer
x = 527,407.17
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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.