Finding the Fourth Proportional to 983,467.80, 1,475,201.70 and 651,043.80
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Solution
The fourth proportional to 983,467.80, 1,475,201.70 and 651,043.80 is: 976,565.70
Step by Step Solution
- Step 1: Write the proportion equation
983,467.80 : 1,475,201.70 = 651,043.80 : x - Step 2: Convert to fraction form
983,467.80/1,475,201.70 = 651,043.80/x - Step 3: Cross multiply
983,467.80x = 1,475,201.70 × 651,043.80 - Step 4: Simplify right side
983,467.80x = 960,420,920,534.46 - Step 5: Solve for x
x = 960,420,920,534.46/983,467.80 - Step 6: Final answer
x = 976,565.70
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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.