Finding the Fourth Proportional to 944,769.12, 1,417,972.56 and 495,807.18
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Solution
The fourth proportional to 944,769.12, 1,417,972.56 and 495,807.18 is: 744,140.51
Step by Step Solution
- Step 1: Write the proportion equation
944,769.12 : 1,417,972.56 = 495,807.18 : x - Step 2: Convert to fraction form
944,769.12/1,417,972.56 = 495,807.18/x - Step 3: Cross multiply
944,769.12x = 1,417,972.56 × 495,807.18 - Step 4: Simplify right side
944,769.12x = 703,040,973,811.95 - Step 5: Solve for x
x = 703,040,973,811.95/944,769.12 - Step 6: Final answer
x = 744,140.51
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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.