Finding the Fourth Proportional to 855,603.36, 1,180,216.08 and 549,576.72
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Solution
The fourth proportional to 855,603.36, 1,180,216.08 and 549,576.72 is: 758,084.08
Step by Step Solution
- Step 1: Write the proportion equation
855,603.36 : 1,180,216.08 = 549,576.72 : x - Step 2: Convert to fraction form
855,603.36/1,180,216.08 = 549,576.72/x - Step 3: Cross multiply
855,603.36x = 1,180,216.08 × 549,576.72 - Step 4: Simplify right side
855,603.36x = 648,619,282,137.66 - Step 5: Solve for x
x = 648,619,282,137.66/855,603.36 - Step 6: Final answer
x = 758,084.08
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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.