Finding the Fourth Proportional to 939,435.92, 1,408,554.47 and 619,218.08
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Solution
The fourth proportional to 939,435.92, 1,408,554.47 and 619,218.08 is: 928,432.03
Step by Step Solution
- Step 1: Write the proportion equation
939,435.92 : 1,408,554.47 = 619,218.08 : x - Step 2: Convert to fraction form
939,435.92/1,408,554.47 = 619,218.08/x - Step 3: Cross multiply
939,435.92x = 1,408,554.47 × 619,218.08 - Step 4: Simplify right side
939,435.92x = 872,202,394,276.17 - Step 5: Solve for x
x = 872,202,394,276.17/939,435.92 - Step 6: Final answer
x = 928,432.03
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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.