Finding the Fourth Proportional to 426,395.82, 639,927.98 and 297,473.71
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Solution
The fourth proportional to 426,395.82, 639,927.98 and 297,473.71 is: 446,443.75
Step by Step Solution
- Step 1: Write the proportion equation
426,395.82 : 639,927.98 = 297,473.71 : x - Step 2: Convert to fraction form
426,395.82/639,927.98 = 297,473.71/x - Step 3: Cross multiply
426,395.82x = 639,927.98 × 297,473.71 - Step 4: Simplify right side
426,395.82x = 190,361,750,343.41 - Step 5: Solve for x
x = 190,361,750,343.41/426,395.82 - Step 6: Final answer
x = 446,443.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.