Finding the Fourth Proportional to 930,179.84, 1,283,722.63 and 522,308.79
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Solution
The fourth proportional to 930,179.84, 1,283,722.63 and 522,308.79 is: 720,827.94
Step by Step Solution
- Step 1: Write the proportion equation
930,179.84 : 1,283,722.63 = 522,308.79 : x - Step 2: Convert to fraction form
930,179.84/1,283,722.63 = 522,308.79/x - Step 3: Cross multiply
930,179.84x = 1,283,722.63 × 522,308.79 - Step 4: Simplify right side
930,179.84x = 670,499,612,265.15 - Step 5: Solve for x
x = 670,499,612,265.15/930,179.84 - Step 6: Final answer
x = 720,827.94
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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.