Finding the Fourth Proportional to 898,865.31, 1,240,426.75 and 490,967.41
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Solution
The fourth proportional to 898,865.31, 1,240,426.75 and 490,967.41 is: 677,530.99
Step by Step Solution
- Step 1: Write the proportion equation
898,865.31 : 1,240,426.75 = 490,967.41 : x - Step 2: Convert to fraction form
898,865.31/1,240,426.75 = 490,967.41/x - Step 3: Cross multiply
898,865.31x = 1,240,426.75 × 490,967.41 - Step 4: Simplify right side
898,865.31x = 609,009,102,540.08 - Step 5: Solve for x
x = 609,009,102,540.08/898,865.31 - Step 6: Final answer
x = 677,530.99
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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.