Finding the Fourth Proportional to 929,637.70, 1,283,028.72 and 521,763.82
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Solution
The fourth proportional to 929,637.70, 1,283,028.72 and 521,763.82 is: 720,106.30
Step by Step Solution
- Step 1: Write the proportion equation
929,637.70 : 1,283,028.72 = 521,763.82 : x - Step 2: Convert to fraction form
929,637.70/1,283,028.72 = 521,763.82/x - Step 3: Cross multiply
929,637.70x = 1,283,028.72 × 521,763.82 - Step 4: Simplify right side
929,637.70x = 669,437,966,116.91 - Step 5: Solve for x
x = 669,437,966,116.91/929,637.70 - Step 6: Final answer
x = 720,106.30
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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.