Finding the Fourth Proportional to 970,197.84, 1,455,720.12 and 339,564.24
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Solution
The fourth proportional to 970,197.84, 1,455,720.12 and 339,564.24 is: 509,494.53
Step by Step Solution
- Step 1: Write the proportion equation
970,197.84 : 1,455,720.12 = 339,564.24 : x - Step 2: Convert to fraction form
970,197.84/1,455,720.12 = 339,564.24/x - Step 3: Cross multiply
970,197.84x = 1,455,720.12 × 339,564.24 - Step 4: Simplify right side
970,197.84x = 494,310,496,200.51 - Step 5: Solve for x
x = 494,310,496,200.51/970,197.84 - Step 6: Final answer
x = 509,494.53
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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.