Finding the Fourth Proportional to 890,283.67, 1,228,534.40 and 497,848.99
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Solution
The fourth proportional to 890,283.67, 1,228,534.40 and 497,848.99 is: 686,999.69
Step by Step Solution
- Step 1: Write the proportion equation
890,283.67 : 1,228,534.40 = 497,848.99 : x - Step 2: Convert to fraction form
890,283.67/1,228,534.40 = 497,848.99/x - Step 3: Cross multiply
890,283.67x = 1,228,534.40 × 497,848.99 - Step 4: Simplify right side
890,283.67x = 611,624,604,659.68 - Step 5: Solve for x
x = 611,624,604,659.68/890,283.67 - Step 6: Final answer
x = 686,999.69
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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.