Finding the Fourth Proportional to 561,374.30, 844,135.05 and 470,135.90
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Solution
The fourth proportional to 561,374.30, 844,135.05 and 470,135.90 is: 706,940.43
Step by Step Solution
- Step 1: Write the proportion equation
561,374.30 : 844,135.05 = 470,135.90 : x - Step 2: Convert to fraction form
561,374.30/844,135.05 = 470,135.90/x - Step 3: Cross multiply
561,374.30x = 844,135.05 × 470,135.90 - Step 4: Simplify right side
561,374.30x = 396,858,191,453.30 - Step 5: Solve for x
x = 396,858,191,453.30/561,374.30 - Step 6: Final answer
x = 706,940.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.