Finding the Fourth Proportional to 628,966.77, 867,989.70 and 342,502.44
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Solution
The fourth proportional to 628,966.77, 867,989.70 and 342,502.44 is: 472,661.84
Step by Step Solution
- Step 1: Write the proportion equation
628,966.77 : 867,989.70 = 342,502.44 : x - Step 2: Convert to fraction form
628,966.77/867,989.70 = 342,502.44/x - Step 3: Cross multiply
628,966.77x = 867,989.70 × 342,502.44 - Step 4: Simplify right side
628,966.77x = 297,288,590,144.87 - Step 5: Solve for x
x = 297,288,590,144.87/628,966.77 - Step 6: Final answer
x = 472,661.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.