Finding the Fourth Proportional to 814,455.84, 1,124,010.72 and 451,948.28
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Solution
The fourth proportional to 814,455.84, 1,124,010.72 and 451,948.28 is: 623,722.84
Step by Step Solution
- Step 1: Write the proportion equation
814,455.84 : 1,124,010.72 = 451,948.28 : x - Step 2: Convert to fraction form
814,455.84/1,124,010.72 = 451,948.28/x - Step 3: Cross multiply
814,455.84x = 1,124,010.72 × 451,948.28 - Step 4: Simplify right side
814,455.84x = 507,994,711,605.56 - Step 5: Solve for x
x = 507,994,711,605.56/814,455.84 - Step 6: Final answer
x = 623,722.84
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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.