Finding the Fourth Proportional to 670,489.08, 925,274.90 and 368,683.08
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Solution
The fourth proportional to 670,489.08, 925,274.90 and 368,683.08 is: 508,782.63
Step by Step Solution
- Step 1: Write the proportion equation
670,489.08 : 925,274.90 = 368,683.08 : x - Step 2: Convert to fraction form
670,489.08/925,274.90 = 368,683.08/x - Step 3: Cross multiply
670,489.08x = 925,274.90 × 368,683.08 - Step 4: Simplify right side
670,489.08x = 341,133,199,978.69 - Step 5: Solve for x
x = 341,133,199,978.69/670,489.08 - Step 6: Final answer
x = 508,782.63
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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.