Finding the Fourth Proportional to 915,040.18, 1,262,452.80 and 552,326.23
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Solution
The fourth proportional to 915,040.18, 1,262,452.80 and 552,326.23 is: 762,027.52
Step by Step Solution
- Step 1: Write the proportion equation
915,040.18 : 1,262,452.80 = 552,326.23 : x - Step 2: Convert to fraction form
915,040.18/1,262,452.80 = 552,326.23/x - Step 3: Cross multiply
915,040.18x = 1,262,452.80 × 552,326.23 - Step 4: Simplify right side
915,040.18x = 697,285,795,576.94 - Step 5: Solve for x
x = 697,285,795,576.94/915,040.18 - Step 6: Final answer
x = 762,027.52
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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.