Finding the Fourth Proportional to 571,348.05, 788,468.22 and 313,219.68
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Solution
The fourth proportional to 571,348.05, 788,468.22 and 313,219.68 is: 432,247.50
Step by Step Solution
- Step 1: Write the proportion equation
571,348.05 : 788,468.22 = 313,219.68 : x - Step 2: Convert to fraction form
571,348.05/788,468.22 = 313,219.68/x - Step 3: Cross multiply
571,348.05x = 788,468.22 × 313,219.68 - Step 4: Simplify right side
571,348.05x = 246,963,763,558.57 - Step 5: Solve for x
x = 246,963,763,558.57/571,348.05 - Step 6: Final answer
x = 432,247.50
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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.