Finding the Fourth Proportional to 741,776.90, 1,023,652.68 and 402,245.06
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Solution
The fourth proportional to 741,776.90, 1,023,652.68 and 402,245.06 is: 555,098.49
Step by Step Solution
- Step 1: Write the proportion equation
741,776.90 : 1,023,652.68 = 402,245.06 : x - Step 2: Convert to fraction form
741,776.90/1,023,652.68 = 402,245.06/x - Step 3: Cross multiply
741,776.90x = 1,023,652.68 × 402,245.06 - Step 4: Simplify right side
741,776.90x = 411,759,233,685.76 - Step 5: Solve for x
x = 411,759,233,685.76/741,776.90 - Step 6: Final answer
x = 555,098.49
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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.