Finding the Fourth Proportional to 626,370.87, 864,410.99 and 368,200.49
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Solution
The fourth proportional to 626,370.87, 864,410.99 and 368,200.49 is: 508,127.95
Step by Step Solution
- Step 1: Write the proportion equation
626,370.87 : 864,410.99 = 368,200.49 : x - Step 2: Convert to fraction form
626,370.87/864,410.99 = 368,200.49/x - Step 3: Cross multiply
626,370.87x = 864,410.99 × 368,200.49 - Step 4: Simplify right side
626,370.87x = 318,276,545,987.46 - Step 5: Solve for x
x = 318,276,545,987.46/626,370.87 - Step 6: Final answer
x = 508,127.95
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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.