Finding the Fourth Proportional to 800,899.38, 1,201,487.58 and 268,471.80
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Solution
The fourth proportional to 800,899.38, 1,201,487.58 and 268,471.80 is: 402,754.13
Step by Step Solution
- Step 1: Write the proportion equation
800,899.38 : 1,201,487.58 = 268,471.80 : x - Step 2: Convert to fraction form
800,899.38/1,201,487.58 = 268,471.80/x - Step 3: Cross multiply
800,899.38x = 1,201,487.58 × 268,471.80 - Step 4: Simplify right side
800,899.38x = 322,565,533,280.24 - Step 5: Solve for x
x = 322,565,533,280.24/800,899.38 - Step 6: Final answer
x = 402,754.13
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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.