Finding the Fourth Proportional to 747,689.36, 1,031,797.92 and 425,392.52
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Solution
The fourth proportional to 747,689.36, 1,031,797.92 and 425,392.52 is: 587,034.06
Step by Step Solution
- Step 1: Write the proportion equation
747,689.36 : 1,031,797.92 = 425,392.52 : x - Step 2: Convert to fraction form
747,689.36/1,031,797.92 = 425,392.52/x - Step 3: Cross multiply
747,689.36x = 1,031,797.92 × 425,392.52 - Step 4: Simplify right side
747,689.36x = 438,919,117,319.56 - Step 5: Solve for x
x = 438,919,117,319.56/747,689.36 - Step 6: Final answer
x = 587,034.06
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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.