Finding the Fourth Proportional to 742,056.14, 1,024,054.81 and 415,361.03
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Solution
The fourth proportional to 742,056.14, 1,024,054.81 and 415,361.03 is: 573,207.93
Step by Step Solution
- Step 1: Write the proportion equation
742,056.14 : 1,024,054.81 = 415,361.03 : x - Step 2: Convert to fraction form
742,056.14/1,024,054.81 = 415,361.03/x - Step 3: Cross multiply
742,056.14x = 1,024,054.81 × 415,361.03 - Step 4: Simplify right side
742,056.14x = 425,352,462,100.14 - Step 5: Solve for x
x = 425,352,462,100.14/742,056.14 - Step 6: Final answer
x = 573,207.93
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1.5x scale
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.