Finding the Fourth Proportional to 903,177.23, 1,246,374.29 and 521,195.81
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Solution
The fourth proportional to 903,177.23, 1,246,374.29 and 521,195.81 is: 719,244.28
Step by Step Solution
- Step 1: Write the proportion equation
903,177.23 : 1,246,374.29 = 521,195.81 : x - Step 2: Convert to fraction form
903,177.23/1,246,374.29 = 521,195.81/x - Step 3: Cross multiply
903,177.23x = 1,246,374.29 × 521,195.81 - Step 4: Simplify right side
903,177.23x = 649,605,048,801.87 - Step 5: Solve for x
x = 649,605,048,801.87/903,177.23 - Step 6: Final answer
x = 719,244.28
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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.