Finding the Fourth Proportional to 1,154,731.28, 1,732,097.76 and 313,282.96
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Solution
The fourth proportional to 1,154,731.28, 1,732,097.76 and 313,282.96 is: 469,924.67
Step by Step Solution
- Step 1: Write the proportion equation
1,154,731.28 : 1,732,097.76 = 313,282.96 : x - Step 2: Convert to fraction form
1,154,731.28/1,732,097.76 = 313,282.96/x - Step 3: Cross multiply
1,154,731.28x = 1,732,097.76 × 313,282.96 - Step 4: Simplify right side
1,154,731.28x = 542,636,713,262.17 - Step 5: Solve for x
x = 542,636,713,262.17/1,154,731.28 - Step 6: Final answer
x = 469,924.67
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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.