Finding the Fourth Proportional to 539,764.38, 744,938.01 and 448,960.14
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Solution
The fourth proportional to 539,764.38, 744,938.01 and 448,960.14 is: 619,617.53
Step by Step Solution
- Step 1: Write the proportion equation
539,764.38 : 744,938.01 = 448,960.14 : x - Step 2: Convert to fraction form
539,764.38/744,938.01 = 448,960.14/x - Step 3: Cross multiply
539,764.38x = 744,938.01 × 448,960.14 - Step 4: Simplify right side
539,764.38x = 334,447,473,260.92 - Step 5: Solve for x
x = 334,447,473,260.92/539,764.38 - Step 6: Final answer
x = 619,617.53
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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.