Finding the Fourth Proportional to 689,679.24, 1,033,847.91 and 329,756.55
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Solution
The fourth proportional to 689,679.24, 1,033,847.91 and 329,756.55 is: 494,314.02
Step by Step Solution
- Step 1: Write the proportion equation
689,679.24 : 1,033,847.91 = 329,756.55 : x - Step 2: Convert to fraction form
689,679.24/1,033,847.91 = 329,756.55/x - Step 3: Cross multiply
689,679.24x = 1,033,847.91 × 329,756.55 - Step 4: Simplify right side
689,679.24x = 340,918,120,026.31 - Step 5: Solve for x
x = 340,918,120,026.31/689,679.24 - Step 6: Final answer
x = 494,314.02
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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.