Finding the Fourth Proportional to 471,136.80, 704,977.20 and 346,720.80
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Solution
The fourth proportional to 471,136.80, 704,977.20 and 346,720.80 is: 518,809.52
Step by Step Solution
- Step 1: Write the proportion equation
471,136.80 : 704,977.20 = 346,720.80 : x - Step 2: Convert to fraction form
471,136.80/704,977.20 = 346,720.80/x - Step 3: Cross multiply
471,136.80x = 704,977.20 × 346,720.80 - Step 4: Simplify right side
471,136.80x = 244,430,258,765.76 - Step 5: Solve for x
x = 244,430,258,765.76/471,136.80 - Step 6: Final answer
x = 518,809.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.