Finding the Fourth Proportional to 785,011.73, 1,177,753.97 and 245,246.20
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Solution
The fourth proportional to 785,011.73, 1,177,753.97 and 245,246.20 is: 367,943.15
Step by Step Solution
- Step 1: Write the proportion equation
785,011.73 : 1,177,753.97 = 245,246.20 : x - Step 2: Convert to fraction form
785,011.73/1,177,753.97 = 245,246.20/x - Step 3: Cross multiply
785,011.73x = 1,177,753.97 × 245,246.20 - Step 4: Simplify right side
785,011.73x = 288,839,685,677.41 - Step 5: Solve for x
x = 288,839,685,677.41/785,011.73 - Step 6: Final answer
x = 367,943.15
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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.