Finding the Fourth Proportional to 747,661.26, 1,031,752.71 and 687,475.02
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Solution
The fourth proportional to 747,661.26, 1,031,752.71 and 687,475.02 is: 948,697.30
Step by Step Solution
- Step 1: Write the proportion equation
747,661.26 : 1,031,752.71 = 687,475.02 : x - Step 2: Convert to fraction form
747,661.26/1,031,752.71 = 687,475.02/x - Step 3: Cross multiply
747,661.26x = 1,031,752.71 × 687,475.02 - Step 4: Simplify right side
747,661.26x = 709,304,214,942.30 - Step 5: Solve for x
x = 709,304,214,942.30/747,661.26 - Step 6: Final answer
x = 948,697.30
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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.