Finding the Fourth Proportional to 688,283.57, 949,832.34 and 382,351.63
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Solution
The fourth proportional to 688,283.57, 949,832.34 and 382,351.63 is: 527,645.81
Step by Step Solution
- Step 1: Write the proportion equation
688,283.57 : 949,832.34 = 382,351.63 : x - Step 2: Convert to fraction form
688,283.57/949,832.34 = 382,351.63/x - Step 3: Cross multiply
688,283.57x = 949,832.34 × 382,351.63 - Step 4: Simplify right side
688,283.57x = 363,169,943,425.71 - Step 5: Solve for x
x = 363,169,943,425.71/688,283.57 - Step 6: Final answer
x = 527,645.81
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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.