Finding the Fourth Proportional to 901,980.84, 1,244,753.67 and 514,788.49
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Solution
The fourth proportional to 901,980.84, 1,244,753.67 and 514,788.49 is: 710,419.59
Step by Step Solution
- Step 1: Write the proportion equation
901,980.84 : 1,244,753.67 = 514,788.49 : x - Step 2: Convert to fraction form
901,980.84/1,244,753.67 = 514,788.49/x - Step 3: Cross multiply
901,980.84x = 1,244,753.67 × 514,788.49 - Step 4: Simplify right side
901,980.84x = 640,784,865,687.66 - Step 5: Solve for x
x = 640,784,865,687.66/901,980.84 - Step 6: Final answer
x = 710,419.59
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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.