Finding the Fourth Proportional to 579,224.28, 868,981.14 and 408,778.79
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Solution
The fourth proportional to 579,224.28, 868,981.14 and 408,778.79 is: 613,270.32
Step by Step Solution
- Step 1: Write the proportion equation
579,224.28 : 868,981.14 = 408,778.79 : x - Step 2: Convert to fraction form
579,224.28/868,981.14 = 408,778.79/x - Step 3: Cross multiply
579,224.28x = 868,981.14 × 408,778.79 - Step 4: Simplify right side
579,224.28x = 355,221,059,862.94 - Step 5: Solve for x
x = 355,221,059,862.94/579,224.28 - Step 6: Final answer
x = 613,270.32
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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.