Finding the Fourth Proportional to 752,577.94, 1,128,904.85 and 212,872.81
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Solution
The fourth proportional to 752,577.94, 1,128,904.85 and 212,872.81 is: 319,319.95
Step by Step Solution
- Step 1: Write the proportion equation
752,577.94 : 1,128,904.85 = 212,872.81 : x - Step 2: Convert to fraction form
752,577.94/1,128,904.85 = 212,872.81/x - Step 3: Cross multiply
752,577.94x = 1,128,904.85 × 212,872.81 - Step 4: Simplify right side
752,577.94x = 240,313,146,271.34 - Step 5: Solve for x
x = 240,313,146,271.34/752,577.94 - Step 6: Final answer
x = 319,319.95
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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.