Finding the Fourth Proportional to 926,825.10, 1,390,237.65 and 740,201.10
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Solution
The fourth proportional to 926,825.10, 1,390,237.65 and 740,201.10 is: 1,110,301.65
Step by Step Solution
- Step 1: Write the proportion equation
926,825.10 : 1,390,237.65 = 740,201.10 : x - Step 2: Convert to fraction form
926,825.10/1,390,237.65 = 740,201.10/x - Step 3: Cross multiply
926,825.10x = 1,390,237.65 × 740,201.10 - Step 4: Simplify right side
926,825.10x = 1,029,055,437,791.41 - Step 5: Solve for x
x = 1,029,055,437,791.41/926,825.10 - Step 6: Final answer
x = 1,110,301.65
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1.5x scale
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.