Finding the Fourth Proportional to 609,342.84, 840,901.92 and 351,077.28
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Solution
The fourth proportional to 609,342.84, 840,901.92 and 351,077.28 is: 484,491.72
Step by Step Solution
- Step 1: Write the proportion equation
609,342.84 : 840,901.92 = 351,077.28 : x - Step 2: Convert to fraction form
609,342.84/840,901.92 = 351,077.28/x - Step 3: Cross multiply
609,342.84x = 840,901.92 × 351,077.28 - Step 4: Simplify right side
609,342.84x = 295,221,558,820.38 - Step 5: Solve for x
x = 295,221,558,820.38/609,342.84 - Step 6: Final answer
x = 484,491.72
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1.5x scale
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.