Finding the Fourth Proportional to 758,555.08, 1,138,281.50 and 279,119.54
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Solution
The fourth proportional to 758,555.08, 1,138,281.50 and 279,119.54 is: 418,844.48
Step by Step Solution
- Step 1: Write the proportion equation
758,555.08 : 1,138,281.50 = 279,119.54 : x - Step 2: Convert to fraction form
758,555.08/1,138,281.50 = 279,119.54/x - Step 3: Cross multiply
758,555.08x = 1,138,281.50 × 279,119.54 - Step 4: Simplify right side
758,555.08x = 317,716,608,670.51 - Step 5: Solve for x
x = 317,716,608,670.51/758,555.08 - Step 6: Final answer
x = 418,844.48
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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.