Finding the Fourth Proportional to 983,311.36, 1,475,122.56 and 352,211.20
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Solution
The fourth proportional to 983,311.36, 1,475,122.56 and 352,211.20 is: 528,372.51
Step by Step Solution
- Step 1: Write the proportion equation
983,311.36 : 1,475,122.56 = 352,211.20 : x - Step 2: Convert to fraction form
983,311.36/1,475,122.56 = 352,211.20/x - Step 3: Cross multiply
983,311.36x = 1,475,122.56 × 352,211.20 - Step 4: Simplify right side
983,311.36x = 519,554,687,004.67 - Step 5: Solve for x
x = 519,554,687,004.67/983,311.36 - Step 6: Final answer
x = 528,372.51
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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.