Finding the Fourth Proportional to 888,331.20, 1,225,864.58 and 506,284.18
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Solution
The fourth proportional to 888,331.20, 1,225,864.58 and 506,284.18 is: 698,653.66
Step by Step Solution
- Step 1: Write the proportion equation
888,331.20 : 1,225,864.58 = 506,284.18 : x - Step 2: Convert to fraction form
888,331.20/1,225,864.58 = 506,284.18/x - Step 3: Cross multiply
888,331.20x = 1,225,864.58 × 506,284.18 - Step 4: Simplify right side
888,331.20x = 620,635,843,676.35 - Step 5: Solve for x
x = 620,635,843,676.35/888,331.20 - Step 6: Final answer
x = 698,653.66
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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.