Finding the Fourth Proportional to 903,177.28, 1,246,374.36 and 521,195.88
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Solution
The fourth proportional to 903,177.28, 1,246,374.36 and 521,195.88 is: 719,244.38
Step by Step Solution
- Step 1: Write the proportion equation
903,177.28 : 1,246,374.36 = 521,195.88 : x - Step 2: Convert to fraction form
903,177.28/1,246,374.36 = 521,195.88/x - Step 3: Cross multiply
903,177.28x = 1,246,374.36 × 521,195.88 - Step 4: Simplify right side
903,177.28x = 649,605,181,369.64 - Step 5: Solve for x
x = 649,605,181,369.64/903,177.28 - Step 6: Final answer
x = 719,244.38
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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.