Finding the Fourth Proportional to 712,777.13, 1,069,325.26 and 239,449.58
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Solution
The fourth proportional to 712,777.13, 1,069,325.26 and 239,449.58 is: 359,227.98
Step by Step Solution
- Step 1: Write the proportion equation
712,777.13 : 1,069,325.26 = 239,449.58 : x - Step 2: Convert to fraction form
712,777.13/1,069,325.26 = 239,449.58/x - Step 3: Cross multiply
712,777.13x = 1,069,325.26 × 239,449.58 - Step 4: Simplify right side
712,777.13x = 256,049,486,465.08 - Step 5: Solve for x
x = 256,049,486,465.08/712,777.13 - Step 6: Final answer
x = 359,227.98
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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.