Finding the Fourth Proportional to 939,438.92, 1,408,558.97 and 619,221.08
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Solution
The fourth proportional to 939,438.92, 1,408,558.97 and 619,221.08 is: 928,436.52
Step by Step Solution
- Step 1: Write the proportion equation
939,438.92 : 1,408,558.97 = 619,221.08 : x - Step 2: Convert to fraction form
939,438.92/1,408,558.97 = 619,221.08/x - Step 3: Cross multiply
939,438.92x = 1,408,558.97 × 619,221.08 - Step 4: Simplify right side
939,438.92x = 872,209,396,508.19 - Step 5: Solve for x
x = 872,209,396,508.19/939,438.92 - Step 6: Final answer
x = 928,436.52
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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.