Finding the Fourth Proportional to 931,675.79, 1,285,682.58 and 523,794.75
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Solution
The fourth proportional to 931,675.79, 1,285,682.58 and 523,794.75 is: 722,819.88
Step by Step Solution
- Step 1: Write the proportion equation
931,675.79 : 1,285,682.58 = 523,794.75 : x - Step 2: Convert to fraction form
931,675.79/1,285,682.58 = 523,794.75/x - Step 3: Cross multiply
931,675.79x = 1,285,682.58 × 523,794.75 - Step 4: Simplify right side
931,675.79x = 673,433,785,570.46 - Step 5: Solve for x
x = 673,433,785,570.46/931,675.79 - Step 6: Final answer
x = 722,819.88
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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.