Finding the Fourth Proportional to 912,425.13, 1,368,833.31 and 272,778.93
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Solution
The fourth proportional to 912,425.13, 1,368,833.31 and 272,778.93 is: 409,226.88
Step by Step Solution
- Step 1: Write the proportion equation
912,425.13 : 1,368,833.31 = 272,778.93 : x - Step 2: Convert to fraction form
912,425.13/1,368,833.31 = 272,778.93/x - Step 3: Cross multiply
912,425.13x = 1,368,833.31 × 272,778.93 - Step 4: Simplify right side
912,425.13x = 373,388,885,650.16 - Step 5: Solve for x
x = 373,388,885,650.16/912,425.13 - Step 6: Final answer
x = 409,226.88
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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.