Finding the Fourth Proportional to 903,311.13, 1,246,569.36 and 500,903.13
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Solution
The fourth proportional to 903,311.13, 1,246,569.36 and 500,903.13 is: 691,246.32
Step by Step Solution
- Step 1: Write the proportion equation
903,311.13 : 1,246,569.36 = 500,903.13 : x - Step 2: Convert to fraction form
903,311.13/1,246,569.36 = 500,903.13/x - Step 3: Cross multiply
903,311.13x = 1,246,569.36 × 500,903.13 - Step 4: Simplify right side
903,311.13x = 624,410,494,186.10 - Step 5: Solve for x
x = 624,410,494,186.10/903,311.13 - Step 6: Final answer
x = 691,246.32
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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.