Finding the Fourth Proportional to 552,585.84, 762,524.84 and 310,820.28
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Solution
The fourth proportional to 552,585.84, 762,524.84 and 310,820.28 is: 428,907.45
Step by Step Solution
- Step 1: Write the proportion equation
552,585.84 : 762,524.84 = 310,820.28 : x - Step 2: Convert to fraction form
552,585.84/762,524.84 = 310,820.28/x - Step 3: Cross multiply
552,585.84x = 762,524.84 × 310,820.28 - Step 4: Simplify right side
552,585.84x = 237,008,184,275.76 - Step 5: Solve for x
x = 237,008,184,275.76/552,585.84 - Step 6: Final answer
x = 428,907.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.