Finding the Fourth Proportional to 974,452.90, 1,461,679.35 and 638,529.70
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Solution
The fourth proportional to 974,452.90, 1,461,679.35 and 638,529.70 is: 957,794.55
Step by Step Solution
- Step 1: Write the proportion equation
974,452.90 : 1,461,679.35 = 638,529.70 : x - Step 2: Convert to fraction form
974,452.90/1,461,679.35 = 638,529.70/x - Step 3: Cross multiply
974,452.90x = 1,461,679.35 × 638,529.70 - Step 4: Simplify right side
974,452.90x = 933,325,676,851.70 - Step 5: Solve for x
x = 933,325,676,851.70/974,452.90 - Step 6: Final answer
x = 957,794.55
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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.