Finding the Fourth Proportional to 771,464.77, 1,157,307.07 and 239,027.65
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Solution
The fourth proportional to 771,464.77, 1,157,307.07 and 239,027.65 is: 358,575.52
Step by Step Solution
- Step 1: Write the proportion equation
771,464.77 : 1,157,307.07 = 239,027.65 : x - Step 2: Convert to fraction form
771,464.77/1,157,307.07 = 239,027.65/x - Step 3: Cross multiply
771,464.77x = 1,157,307.07 × 239,027.65 - Step 4: Simplify right side
771,464.77x = 276,628,382,886.38 - Step 5: Solve for x
x = 276,628,382,886.38/771,464.77 - Step 6: Final answer
x = 358,575.52
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1.5x scale
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.