Finding the Fourth Proportional to 697,238.06, 1,046,299.40 and 297,881.84
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Solution
The fourth proportional to 697,238.06, 1,046,299.40 and 297,881.84 is: 447,011.72
Step by Step Solution
- Step 1: Write the proportion equation
697,238.06 : 1,046,299.40 = 297,881.84 : x - Step 2: Convert to fraction form
697,238.06/1,046,299.40 = 297,881.84/x - Step 3: Cross multiply
697,238.06x = 1,046,299.40 × 297,881.84 - Step 4: Simplify right side
697,238.06x = 311,673,583,741.99 - Step 5: Solve for x
x = 311,673,583,741.99/697,238.06 - Step 6: Final answer
x = 447,011.72
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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.