Finding the Fourth Proportional to 819,454.50, 1,130,929.84 and 475,395.66
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Solution
The fourth proportional to 819,454.50, 1,130,929.84 and 475,395.66 is: 656,093.95
Step by Step Solution
- Step 1: Write the proportion equation
819,454.50 : 1,130,929.84 = 475,395.66 : x - Step 2: Convert to fraction form
819,454.50/1,130,929.84 = 475,395.66/x - Step 3: Cross multiply
819,454.50x = 1,130,929.84 × 475,395.66 - Step 4: Simplify right side
819,454.50x = 537,639,137,700.49 - Step 5: Solve for x
x = 537,639,137,700.49/819,454.50 - Step 6: Final answer
x = 656,093.95
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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.