Finding the Fourth Proportional to 559,587.44, 839,480.90 and 260,405.84
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Solution
The fourth proportional to 559,587.44, 839,480.90 and 260,405.84 is: 390,655.17
Step by Step Solution
- Step 1: Write the proportion equation
559,587.44 : 839,480.90 = 260,405.84 : x - Step 2: Convert to fraction form
559,587.44/839,480.90 = 260,405.84/x - Step 3: Cross multiply
559,587.44x = 839,480.90 × 260,405.84 - Step 4: Simplify right side
559,587.44x = 218,605,729,725.13 - Step 5: Solve for x
x = 218,605,729,725.13/559,587.44 - Step 6: Final answer
x = 390,655.17
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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.