Finding the Fourth Proportional to 744,274.49, 1,116,780.99 and 294,985.41
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Solution
The fourth proportional to 744,274.49, 1,116,780.99 and 294,985.41 is: 442,624.46
Step by Step Solution
- Step 1: Write the proportion equation
744,274.49 : 1,116,780.99 = 294,985.41 : x - Step 2: Convert to fraction form
744,274.49/1,116,780.99 = 294,985.41/x - Step 3: Cross multiply
744,274.49x = 1,116,780.99 × 294,985.41 - Step 4: Simplify right side
744,274.49x = 329,434,092,921.23 - Step 5: Solve for x
x = 329,434,092,921.23/744,274.49 - Step 6: Final answer
x = 442,624.46
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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.