Finding the Fourth Proportional to 939,508.99, 1,409,251.20 and 229,543.18
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Solution
The fourth proportional to 939,508.99, 1,409,251.20 and 229,543.18 is: 344,311.76
Step by Step Solution
- Step 1: Write the proportion equation
939,508.99 : 1,409,251.20 = 229,543.18 : x - Step 2: Convert to fraction form
939,508.99/1,409,251.20 = 229,543.18/x - Step 3: Cross multiply
939,508.99x = 1,409,251.20 × 229,543.18 - Step 4: Simplify right side
939,508.99x = 323,483,997,482.90 - Step 5: Solve for x
x = 323,483,997,482.90/939,508.99 - Step 6: Final answer
x = 344,311.76
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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.