Finding the Fourth Proportional to 628,390.29, 867,197.10 and 341,928.93
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Solution
The fourth proportional to 628,390.29, 867,197.10 and 341,928.93 is: 471,871.99
Step by Step Solution
- Step 1: Write the proportion equation
628,390.29 : 867,197.10 = 341,928.93 : x - Step 2: Convert to fraction form
628,390.29/867,197.10 = 341,928.93/x - Step 3: Cross multiply
628,390.29x = 867,197.10 × 341,928.93 - Step 4: Simplify right side
628,390.29x = 296,519,776,502.10 - Step 5: Solve for x
x = 296,519,776,502.10/628,390.29 - Step 6: Final answer
x = 471,871.99
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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.