Finding the Fourth Proportional to 539,746.38, 744,913.17 and 448,942.14
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Solution
The fourth proportional to 539,746.38, 744,913.17 and 448,942.14 is: 619,592.69
Step by Step Solution
- Step 1: Write the proportion equation
539,746.38 : 744,913.17 = 448,942.14 : x - Step 2: Convert to fraction form
539,746.38/744,913.17 = 448,942.14/x - Step 3: Cross multiply
539,746.38x = 744,913.17 × 448,942.14 - Step 4: Simplify right side
539,746.38x = 334,422,912,653.98 - Step 5: Solve for x
x = 334,422,912,653.98/539,746.38 - Step 6: Final answer
x = 619,592.69
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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.