Finding the Fourth Proportional to 812,199.99, 1,216,968.35 and 575,117.04
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Solution
The fourth proportional to 812,199.99, 1,216,968.35 and 575,117.04 is: 861,732.63
Step by Step Solution
- Step 1: Write the proportion equation
812,199.99 : 1,216,968.35 = 575,117.04 : x - Step 2: Convert to fraction form
812,199.99/1,216,968.35 = 575,117.04/x - Step 3: Cross multiply
812,199.99x = 1,216,968.35 × 575,117.04 - Step 4: Simplify right side
812,199.99x = 699,899,232,350.10 - Step 5: Solve for x
x = 699,899,232,350.10/812,199.99 - Step 6: Final answer
x = 861,732.63
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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.