Finding the Fourth Proportional to 566,692.50, 782,035.65 and 312,043.08
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Solution
The fourth proportional to 566,692.50, 782,035.65 and 312,043.08 is: 430,619.45
Step by Step Solution
- Step 1: Write the proportion equation
566,692.50 : 782,035.65 = 312,043.08 : x - Step 2: Convert to fraction form
566,692.50/782,035.65 = 312,043.08/x - Step 3: Cross multiply
566,692.50x = 782,035.65 × 312,043.08 - Step 4: Simplify right side
566,692.50x = 244,028,812,895.80 - Step 5: Solve for x
x = 244,028,812,895.80/566,692.50 - Step 6: Final answer
x = 430,619.45
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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.