Finding the Fourth Proportional to 898,532.37, 1,239,980.67 and 490,637.05
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Solution
The fourth proportional to 898,532.37, 1,239,980.67 and 490,637.05 is: 677,082.40
Step by Step Solution
- Step 1: Write the proportion equation
898,532.37 : 1,239,980.67 = 490,637.05 : x - Step 2: Convert to fraction form
898,532.37/1,239,980.67 = 490,637.05/x - Step 3: Cross multiply
898,532.37x = 1,239,980.67 × 490,637.05 - Step 4: Simplify right side
898,532.37x = 608,380,449,332.74 - Step 5: Solve for x
x = 608,380,449,332.74/898,532.37 - Step 6: Final answer
x = 677,082.40
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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.