Finding the Fourth Proportional to 923,775.09, 1,275,372.45 and 633,862.95
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Solution
The fourth proportional to 923,775.09, 1,275,372.45 and 633,862.95 is: 875,117.06
Step by Step Solution
- Step 1: Write the proportion equation
923,775.09 : 1,275,372.45 = 633,862.95 : x - Step 2: Convert to fraction form
923,775.09/1,275,372.45 = 633,862.95/x - Step 3: Cross multiply
923,775.09x = 1,275,372.45 × 633,862.95 - Step 4: Simplify right side
923,775.09x = 808,411,343,505.73 - Step 5: Solve for x
x = 808,411,343,505.73/923,775.09 - Step 6: Final answer
x = 875,117.06
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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.