Finding the Fourth Proportional to 804,697.40, 1,110,483.84 and 442,118.10
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Solution
The fourth proportional to 804,697.40, 1,110,483.84 and 442,118.10 is: 610,123.76
Step by Step Solution
- Step 1: Write the proportion equation
804,697.40 : 1,110,483.84 = 442,118.10 : x - Step 2: Convert to fraction form
804,697.40/1,110,483.84 = 442,118.10/x - Step 3: Cross multiply
804,697.40x = 1,110,483.84 × 442,118.10 - Step 4: Simplify right side
804,697.40x = 490,965,005,421.50 - Step 5: Solve for x
x = 490,965,005,421.50/804,697.40 - Step 6: Final answer
x = 610,123.76
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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.