Finding the Fourth Proportional to 830,623.17, 1,146,283.79 and 468,027.08
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Solution
The fourth proportional to 830,623.17, 1,146,283.79 and 468,027.08 is: 645,890.79
Step by Step Solution
- Step 1: Write the proportion equation
830,623.17 : 1,146,283.79 = 468,027.08 : x - Step 2: Convert to fraction form
830,623.17/1,146,283.79 = 468,027.08/x - Step 3: Cross multiply
830,623.17x = 1,146,283.79 × 468,027.08 - Step 4: Simplify right side
830,623.17x = 536,491,855,085.03 - Step 5: Solve for x
x = 536,491,855,085.03/830,623.17 - Step 6: Final answer
x = 645,890.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.