Finding the Fourth Proportional to 939,211.07, 1,408,875.05 and 340,177.42
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Solution
The fourth proportional to 939,211.07, 1,408,875.05 and 340,177.42 is: 510,287.30
Step by Step Solution
- Step 1: Write the proportion equation
939,211.07 : 1,408,875.05 = 340,177.42 : x - Step 2: Convert to fraction form
939,211.07/1,408,875.05 = 340,177.42/x - Step 3: Cross multiply
939,211.07x = 1,408,875.05 × 340,177.42 - Step 4: Simplify right side
939,211.07x = 479,267,478,738.30 - Step 5: Solve for x
x = 479,267,478,738.30/939,211.07 - Step 6: Final answer
x = 510,287.30
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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.