Finding the Fourth Proportional to 997,435.28, 1,498,367.48 and 618,636.08
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Solution
The fourth proportional to 997,435.28, 1,498,367.48 and 618,636.08 is: 929,327.65
Step by Step Solution
- Step 1: Write the proportion equation
997,435.28 : 1,498,367.48 = 618,636.08 : x - Step 2: Convert to fraction form
997,435.28/1,498,367.48 = 618,636.08/x - Step 3: Cross multiply
997,435.28x = 1,498,367.48 × 618,636.08 - Step 4: Simplify right side
997,435.28x = 926,944,181,133.50 - Step 5: Solve for x
x = 926,944,181,133.50/997,435.28 - Step 6: Final answer
x = 929,327.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.