Finding the Fourth Proportional to 565,626.27, 780,553.74 and 310,971.99
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Solution
The fourth proportional to 565,626.27, 780,553.74 and 310,971.99 is: 429,135.57
Step by Step Solution
- Step 1: Write the proportion equation
565,626.27 : 780,553.74 = 310,971.99 : x - Step 2: Convert to fraction form
565,626.27/780,553.74 = 310,971.99/x - Step 3: Cross multiply
565,626.27x = 780,553.74 × 310,971.99 - Step 4: Simplify right side
565,626.27x = 242,730,349,829.74 - Step 5: Solve for x
x = 242,730,349,829.74/565,626.27 - Step 6: Final answer
x = 429,135.57
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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.