Finding the Fourth Proportional to 794,637.80, 1,190,919.90 and 368,124.20
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Solution
The fourth proportional to 794,637.80, 1,190,919.90 and 368,124.20 is: 551,705.99
Step by Step Solution
- Step 1: Write the proportion equation
794,637.80 : 1,190,919.90 = 368,124.20 : x - Step 2: Convert to fraction form
794,637.80/1,190,919.90 = 368,124.20/x - Step 3: Cross multiply
794,637.80x = 1,190,919.90 × 368,124.20 - Step 4: Simplify right side
794,637.80x = 438,406,435,451.58 - Step 5: Solve for x
x = 438,406,435,451.58/794,637.80 - Step 6: Final answer
x = 551,705.99
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1.5x scale
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.