Finding the Fourth Proportional to 738,267.09, 1,018,535.36 and 432,291.21
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Solution
The fourth proportional to 738,267.09, 1,018,535.36 and 432,291.21 is: 596,401.88
Step by Step Solution
- Step 1: Write the proportion equation
738,267.09 : 1,018,535.36 = 432,291.21 : x - Step 2: Convert to fraction form
738,267.09/1,018,535.36 = 432,291.21/x - Step 3: Cross multiply
738,267.09x = 1,018,535.36 × 432,291.21 - Step 4: Simplify right side
738,267.09x = 440,303,881,040.73 - Step 5: Solve for x
x = 440,303,881,040.73/738,267.09 - Step 6: Final answer
x = 596,401.88
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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.