Finding the Fourth Proportional to 559,692.12, 772,352.64 and 305,037.84
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Solution
The fourth proportional to 559,692.12, 772,352.64 and 305,037.84 is: 420,939.96
Step by Step Solution
- Step 1: Write the proportion equation
559,692.12 : 772,352.64 = 305,037.84 : x - Step 2: Convert to fraction form
559,692.12/772,352.64 = 305,037.84/x - Step 3: Cross multiply
559,692.12x = 772,352.64 × 305,037.84 - Step 4: Simplify right side
559,692.12x = 235,596,781,023.90 - Step 5: Solve for x
x = 235,596,781,023.90/559,692.12 - Step 6: Final answer
x = 420,939.96
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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.