Finding the Fourth Proportional to 566,778.84, 782,140.62 and 321,809.31
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Solution
The fourth proportional to 566,778.84, 782,140.62 and 321,809.31 is: 444,088.80
Step by Step Solution
- Step 1: Write the proportion equation
566,778.84 : 782,140.62 = 321,809.31 : x - Step 2: Convert to fraction form
566,778.84/782,140.62 = 321,809.31/x - Step 3: Cross multiply
566,778.84x = 782,140.62 × 321,809.31 - Step 4: Simplify right side
566,778.84x = 251,700,133,245.17 - Step 5: Solve for x
x = 251,700,133,245.17/566,778.84 - Step 6: Final answer
x = 444,088.80
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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.