Finding the Fourth Proportional to 529,579.20, 794,368.80 and 498,475.20
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Solution
The fourth proportional to 529,579.20, 794,368.80 and 498,475.20 is: 747,712.80
Step by Step Solution
- Step 1: Write the proportion equation
529,579.20 : 794,368.80 = 498,475.20 : x - Step 2: Convert to fraction form
529,579.20/794,368.80 = 498,475.20/x - Step 3: Cross multiply
529,579.20x = 794,368.80 × 498,475.20 - Step 4: Simplify right side
529,579.20x = 395,973,146,453.76 - Step 5: Solve for x
x = 395,973,146,453.76/529,579.20 - Step 6: Final answer
x = 747,712.80
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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.