Finding the Fourth Proportional to 939,032.88, 1,408,658.76 and 340,276.08
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Solution
The fourth proportional to 939,032.88, 1,408,658.76 and 340,276.08 is: 510,453.78
Step by Step Solution
- Step 1: Write the proportion equation
939,032.88 : 1,408,658.76 = 340,276.08 : x - Step 2: Convert to fraction form
939,032.88/1,408,658.76 = 340,276.08/x - Step 3: Cross multiply
939,032.88x = 1,408,658.76 × 340,276.08 - Step 4: Simplify right side
939,032.88x = 479,332,880,910.46 - Step 5: Solve for x
x = 479,332,880,910.46/939,032.88 - Step 6: Final answer
x = 510,453.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.