Finding the Fourth Proportional to 889,555.70, 1,227,674.92 and 507,639.90
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Solution
The fourth proportional to 889,555.70, 1,227,674.92 and 507,639.90 is: 700,593.31
Step by Step Solution
- Step 1: Write the proportion equation
889,555.70 : 1,227,674.92 = 507,639.90 : x - Step 2: Convert to fraction form
889,555.70/1,227,674.92 = 507,639.90/x - Step 3: Cross multiply
889,555.70x = 1,227,674.92 × 507,639.90 - Step 4: Simplify right side
889,555.70x = 623,216,773,621.31 - Step 5: Solve for x
x = 623,216,773,621.31/889,555.70 - Step 6: Final answer
x = 700,593.31
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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.