Finding the Fourth Proportional to 546,263.12, 753,782.28 and 331,455.44
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Solution
The fourth proportional to 546,263.12, 753,782.28 and 331,455.44 is: 457,371.60
Step by Step Solution
- Step 1: Write the proportion equation
546,263.12 : 753,782.28 = 331,455.44 : x - Step 2: Convert to fraction form
546,263.12/753,782.28 = 331,455.44/x - Step 3: Cross multiply
546,263.12x = 753,782.28 × 331,455.44 - Step 4: Simplify right side
546,263.12x = 249,845,237,281.60 - Step 5: Solve for x
x = 249,845,237,281.60/546,263.12 - Step 6: Final answer
x = 457,371.60
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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.