Finding the Fourth Proportional to 913,106.99, 1,369,847.30 and 313,990.34
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Solution
The fourth proportional to 913,106.99, 1,369,847.30 and 313,990.34 is: 471,049.75
Step by Step Solution
- Step 1: Write the proportion equation
913,106.99 : 1,369,847.30 = 313,990.34 : x - Step 2: Convert to fraction form
913,106.99/1,369,847.30 = 313,990.34/x - Step 3: Cross multiply
913,106.99x = 1,369,847.30 × 313,990.34 - Step 4: Simplify right side
913,106.99x = 430,118,817,905.13 - Step 5: Solve for x
x = 430,118,817,905.13/913,106.99 - Step 6: Final answer
x = 471,049.75
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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.