Finding the Fourth Proportional to 776,060.80, 1,070,972.80 and 436,526.08
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Solution
The fourth proportional to 776,060.80, 1,070,972.80 and 436,526.08 is: 602,410.99
Step by Step Solution
- Step 1: Write the proportion equation
776,060.80 : 1,070,972.80 = 436,526.08 : x - Step 2: Convert to fraction form
776,060.80/1,070,972.80 = 436,526.08/x - Step 3: Cross multiply
776,060.80x = 1,070,972.80 × 436,526.08 - Step 4: Simplify right side
776,060.80x = 467,507,558,170.62 - Step 5: Solve for x
x = 467,507,558,170.62/776,060.80 - Step 6: Final answer
x = 602,410.99
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1.5x scale
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.