Finding the Fourth Proportional to 911,243.71, 1,257,263.94 and 524,038.09
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Solution
The fourth proportional to 911,243.71, 1,257,263.94 and 524,038.09 is: 723,027.43
Step by Step Solution
- Step 1: Write the proportion equation
911,243.71 : 1,257,263.94 = 524,038.09 : x - Step 2: Convert to fraction form
911,243.71/1,257,263.94 = 524,038.09/x - Step 3: Cross multiply
911,243.71x = 1,257,263.94 × 524,038.09 - Step 4: Simplify right side
911,243.71x = 658,854,193,743.48 - Step 5: Solve for x
x = 658,854,193,743.48/911,243.71 - Step 6: Final answer
x = 723,027.43
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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.