Finding the Fourth Proportional to 867,692.24, 1,301,233.44 and 260,299.44
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Solution
The fourth proportional to 867,692.24, 1,301,233.44 and 260,299.44 is: 390,357.69
Step by Step Solution
- Step 1: Write the proportion equation
867,692.24 : 1,301,233.44 = 260,299.44 : x - Step 2: Convert to fraction form
867,692.24/1,301,233.44 = 260,299.44/x - Step 3: Cross multiply
867,692.24x = 1,301,233.44 × 260,299.44 - Step 4: Simplify right side
867,692.24x = 338,710,335,741.27 - Step 5: Solve for x
x = 338,710,335,741.27/867,692.24 - Step 6: Final answer
x = 390,357.69
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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.