Finding the Fourth Proportional to 570,450.84, 787,304.52 and 328,687.08
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Solution
The fourth proportional to 570,450.84, 787,304.52 and 328,687.08 is: 453,635.63
Step by Step Solution
- Step 1: Write the proportion equation
570,450.84 : 787,304.52 = 328,687.08 : x - Step 2: Convert to fraction form
570,450.84/787,304.52 = 328,687.08/x - Step 3: Cross multiply
570,450.84x = 787,304.52 × 328,687.08 - Step 4: Simplify right side
570,450.84x = 258,776,823,749.60 - Step 5: Solve for x
x = 258,776,823,749.60/570,450.84 - Step 6: Final answer
x = 453,635.63
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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.