Finding the Fourth Proportional to 752,346.77, 1,128,421.26 and 219,921.62
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Solution
The fourth proportional to 752,346.77, 1,128,421.26 and 219,921.62 is: 329,853.52
Step by Step Solution
- Step 1: Write the proportion equation
752,346.77 : 1,128,421.26 = 219,921.62 : x - Step 2: Convert to fraction form
752,346.77/1,128,421.26 = 219,921.62/x - Step 3: Cross multiply
752,346.77x = 1,128,421.26 × 219,921.62 - Step 4: Simplify right side
752,346.77x = 248,164,225,899.54 - Step 5: Solve for x
x = 248,164,225,899.54/752,346.77 - Step 6: Final answer
x = 329,853.52
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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.