Finding the Fourth Proportional to 855,454.05, 1,180,489.44 and 473,458.05
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Solution
The fourth proportional to 855,454.05, 1,180,489.44 and 473,458.05 is: 653,351.55
Step by Step Solution
- Step 1: Write the proportion equation
855,454.05 : 1,180,489.44 = 473,458.05 : x - Step 2: Convert to fraction form
855,454.05/1,180,489.44 = 473,458.05/x - Step 3: Cross multiply
855,454.05x = 1,180,489.44 × 473,458.05 - Step 4: Simplify right side
855,454.05x = 558,912,228,307.99 - Step 5: Solve for x
x = 558,912,228,307.99/855,454.05 - Step 6: Final answer
x = 653,351.55
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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.