Finding the Fourth Proportional to 988,251.40, 1,482,377.10 and 977,753.80
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Solution
The fourth proportional to 988,251.40, 1,482,377.10 and 977,753.80 is: 1,466,630.70
Step by Step Solution
- Step 1: Write the proportion equation
988,251.40 : 1,482,377.10 = 977,753.80 : x - Step 2: Convert to fraction form
988,251.40/1,482,377.10 = 977,753.80/x - Step 3: Cross multiply
988,251.40x = 1,482,377.10 × 977,753.80 - Step 4: Simplify right side
988,251.40x = 1,449,399,842,557.98 - Step 5: Solve for x
x = 1,449,399,842,557.98/988,251.40 - Step 6: Final answer
x = 1,466,630.70
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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.