Finding the Fourth Proportional to 970,334.42, 1,339,076.14 and 556,939.58
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Solution
The fourth proportional to 970,334.42, 1,339,076.14 and 556,939.58 is: 768,585.02
Step by Step Solution
- Step 1: Write the proportion equation
970,334.42 : 1,339,076.14 = 556,939.58 : x - Step 2: Convert to fraction form
970,334.42/1,339,076.14 = 556,939.58/x - Step 3: Cross multiply
970,334.42x = 1,339,076.14 × 556,939.58 - Step 4: Simplify right side
970,334.42x = 745,784,494,911.89 - Step 5: Solve for x
x = 745,784,494,911.89/970,334.42 - Step 6: Final answer
x = 768,585.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.