Finding the Fourth Proportional to 651,796.80, 977,695.20 and 628,177.20
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Solution
The fourth proportional to 651,796.80, 977,695.20 and 628,177.20 is: 942,265.80
Step by Step Solution
- Step 1: Write the proportion equation
651,796.80 : 977,695.20 = 628,177.20 : x - Step 2: Convert to fraction form
651,796.80/977,695.20 = 628,177.20/x - Step 3: Cross multiply
651,796.80x = 977,695.20 × 628,177.20 - Step 4: Simplify right side
651,796.80x = 614,165,833,189.44 - Step 5: Solve for x
x = 614,165,833,189.44/651,796.80 - Step 6: Final answer
x = 942,265.80
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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.