Finding the Fourth Proportional to 669,437.58, 1,004,154.17 and 242,972.84
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Solution
The fourth proportional to 669,437.58, 1,004,154.17 and 242,972.84 is: 364,458.46
Step by Step Solution
- Step 1: Write the proportion equation
669,437.58 : 1,004,154.17 = 242,972.84 : x - Step 2: Convert to fraction form
669,437.58/1,004,154.17 = 242,972.84/x - Step 3: Cross multiply
669,437.58x = 1,004,154.17 × 242,972.84 - Step 4: Simplify right side
669,437.58x = 243,982,187,952.19 - Step 5: Solve for x
x = 243,982,187,952.19/669,437.58 - Step 6: Final answer
x = 364,458.46
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1.5x scale
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.