Finding the Fourth Proportional to 771,735.36, 1,157,646.74 and 239,332.08
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Solution
The fourth proportional to 771,735.36, 1,157,646.74 and 239,332.08 is: 359,011.67
Step by Step Solution
- Step 1: Write the proportion equation
771,735.36 : 1,157,646.74 = 239,332.08 : x - Step 2: Convert to fraction form
771,735.36/1,157,646.74 = 239,332.08/x - Step 3: Cross multiply
771,735.36x = 1,157,646.74 × 239,332.08 - Step 4: Simplify right side
771,735.36x = 277,062,000,992.76 - Step 5: Solve for x
x = 277,062,000,992.76/771,735.36 - Step 6: Final answer
x = 359,011.67
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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.