Finding the Fourth Proportional to 876,989.13, 1,210,244.99 and 474,581.13
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Solution
The fourth proportional to 876,989.13, 1,210,244.99 and 474,581.13 is: 654,921.95
Step by Step Solution
- Step 1: Write the proportion equation
876,989.13 : 1,210,244.99 = 474,581.13 : x - Step 2: Convert to fraction form
876,989.13/1,210,244.99 = 474,581.13/x - Step 3: Cross multiply
876,989.13x = 1,210,244.99 × 474,581.13 - Step 4: Simplify right side
876,989.13x = 574,359,434,931.04 - Step 5: Solve for x
x = 574,359,434,931.04/876,989.13 - Step 6: Final answer
x = 654,921.95
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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.