Finding the Fourth Proportional to 688,227.94, 949,781.19 and 382,327.49
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Solution
The fourth proportional to 688,227.94, 949,781.19 and 382,327.49 is: 527,626.74
Step by Step Solution
- Step 1: Write the proportion equation
688,227.94 : 949,781.19 = 382,327.49 : x - Step 2: Convert to fraction form
688,227.94/949,781.19 = 382,327.49/x - Step 3: Cross multiply
688,227.94x = 949,781.19 × 382,327.49 - Step 4: Simplify right side
688,227.94x = 363,127,462,230.09 - Step 5: Solve for x
x = 363,127,462,230.09/688,227.94 - Step 6: Final answer
x = 527,626.74
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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.