Finding the Fourth Proportional to 626,798.84, 865,694.58 and 422,497.40
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Solution
The fourth proportional to 626,798.84, 865,694.58 and 422,497.40 is: 583,526.46
Step by Step Solution
- Step 1: Write the proportion equation
626,798.84 : 865,694.58 = 422,497.40 : x - Step 2: Convert to fraction form
626,798.84/865,694.58 = 422,497.40/x - Step 3: Cross multiply
626,798.84x = 865,694.58 × 422,497.40 - Step 4: Simplify right side
626,798.84x = 365,753,709,244.09 - Step 5: Solve for x
x = 365,753,709,244.09/626,798.84 - Step 6: Final answer
x = 583,526.46
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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.