Finding the Fourth Proportional to 970,574.16, 1,339,373.96 and 529,052.62
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Solution
The fourth proportional to 970,574.16, 1,339,373.96 and 529,052.62 is: 730,082.60
Step by Step Solution
- Step 1: Write the proportion equation
970,574.16 : 1,339,373.96 = 529,052.62 : x - Step 2: Convert to fraction form
970,574.16/1,339,373.96 = 529,052.62/x - Step 3: Cross multiply
970,574.16x = 1,339,373.96 × 529,052.62 - Step 4: Simplify right side
970,574.16x = 708,599,302,697.78 - Step 5: Solve for x
x = 708,599,302,697.78/970,574.16 - Step 6: Final answer
x = 730,082.60
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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.