Finding the Fourth Proportional to 926,231.36, 1,277,606.15 and 742,909.80
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Solution
The fourth proportional to 926,231.36, 1,277,606.15 and 742,909.80 is: 1,024,739.80
Step by Step Solution
- Step 1: Write the proportion equation
926,231.36 : 1,277,606.15 = 742,909.80 : x - Step 2: Convert to fraction form
926,231.36/1,277,606.15 = 742,909.80/x - Step 3: Cross multiply
926,231.36x = 1,277,606.15 × 742,909.80 - Step 4: Simplify right side
926,231.36x = 949,146,130,229.99 - Step 5: Solve for x
x = 949,146,130,229.99/926,231.36 - Step 6: Final answer
x = 1,024,739.80
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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.