Finding the Fourth Proportional to 675,029.80, 1,012,544.70 and 517,565.80
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Solution
The fourth proportional to 675,029.80, 1,012,544.70 and 517,565.80 is: 776,348.70
Step by Step Solution
- Step 1: Write the proportion equation
675,029.80 : 1,012,544.70 = 517,565.80 : x - Step 2: Convert to fraction form
675,029.80/1,012,544.70 = 517,565.80/x - Step 3: Cross multiply
675,029.80x = 1,012,544.70 × 517,565.80 - Step 4: Simplify right side
675,029.80x = 524,058,507,691.26 - Step 5: Solve for x
x = 524,058,507,691.26/675,029.80 - Step 6: Final answer
x = 776,348.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.