Finding the Fourth Proportional to 903,463.13, 1,353,387.79 and 543,435.14
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Solution
The fourth proportional to 903,463.13, 1,353,387.79 and 543,435.14 is: 814,065.85
Step by Step Solution
- Step 1: Write the proportion equation
903,463.13 : 1,353,387.79 = 543,435.14 : x - Step 2: Convert to fraction form
903,463.13/1,353,387.79 = 543,435.14/x - Step 3: Cross multiply
903,463.13x = 1,353,387.79 × 543,435.14 - Step 4: Simplify right side
903,463.13x = 735,478,487,195.70 - Step 5: Solve for x
x = 735,478,487,195.70/903,463.13 - Step 6: Final answer
x = 814,065.85
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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.