Finding the Fourth Proportional to 508,461.95, 701,675.54 and 279,023.09
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Solution
The fourth proportional to 508,461.95, 701,675.54 and 279,023.09 is: 385,050.79
Step by Step Solution
- Step 1: Write the proportion equation
508,461.95 : 701,675.54 = 279,023.09 : x - Step 2: Convert to fraction form
508,461.95/701,675.54 = 279,023.09/x - Step 3: Cross multiply
508,461.95x = 701,675.54 × 279,023.09 - Step 4: Simplify right side
508,461.95x = 195,783,675,953.10 - Step 5: Solve for x
x = 195,783,675,953.10/508,461.95 - Step 6: Final answer
x = 385,050.79
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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.