Finding the Fourth Proportional to 939,033.30, 1,408,549.95 and 797,315.70
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Solution
The fourth proportional to 939,033.30, 1,408,549.95 and 797,315.70 is: 1,195,973.55
Step by Step Solution
- Step 1: Write the proportion equation
939,033.30 : 1,408,549.95 = 797,315.70 : x - Step 2: Convert to fraction form
939,033.30/1,408,549.95 = 797,315.70/x - Step 3: Cross multiply
939,033.30x = 1,408,549.95 × 797,315.70 - Step 4: Simplify right side
939,033.30x = 1,123,058,989,369.21 - Step 5: Solve for x
x = 1,123,058,989,369.21/939,033.30 - Step 6: Final answer
x = 1,195,973.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.