Finding the Fourth Proportional to 712,902.41, 1,069,353.63 and 239,587.79
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Solution
The fourth proportional to 712,902.41, 1,069,353.63 and 239,587.79 is: 359,381.68
Step by Step Solution
- Step 1: Write the proportion equation
712,902.41 : 1,069,353.63 = 239,587.79 : x - Step 2: Convert to fraction form
712,902.41/1,069,353.63 = 239,587.79/x - Step 3: Cross multiply
712,902.41x = 1,069,353.63 × 239,587.79 - Step 4: Simplify right side
712,902.41x = 256,204,067,593.41 - Step 5: Solve for x
x = 256,204,067,593.41/712,902.41 - Step 6: Final answer
x = 359,381.68
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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.