Finding the Fourth Proportional to 1,313,313.03, 1,812,371.99 and 709,701.03
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Solution
The fourth proportional to 1,313,313.03, 1,812,371.99 and 709,701.03 is: 979,387.42
Step by Step Solution
- Step 1: Write the proportion equation
1,313,313.03 : 1,812,371.99 = 709,701.03 : x - Step 2: Convert to fraction form
1,313,313.03/1,812,371.99 = 709,701.03/x - Step 3: Cross multiply
1,313,313.03x = 1,812,371.99 × 709,701.03 - Step 4: Simplify right side
1,313,313.03x = 1,286,242,264,497.64 - Step 5: Solve for x
x = 1,286,242,264,497.64/1,313,313.03 - Step 6: Final answer
x = 979,387.42
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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.