Finding the Fourth Proportional to 1,467,511.30, 2,201,266.95 and 520,977.70
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Solution
The fourth proportional to 1,467,511.30, 2,201,266.95 and 520,977.70 is: 781,466.55
Step by Step Solution
- Step 1: Write the proportion equation
1,467,511.30 : 2,201,266.95 = 520,977.70 : x - Step 2: Convert to fraction form
1,467,511.30/2,201,266.95 = 520,977.70/x - Step 3: Cross multiply
1,467,511.30x = 2,201,266.95 × 520,977.70 - Step 4: Simplify right side
1,467,511.30x = 1,146,810,992,697.02 - Step 5: Solve for x
x = 1,146,810,992,697.02/1,467,511.30 - Step 6: Final answer
x = 781,466.55
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1.5x scale
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.