Finding the Fourth Proportional to 702,683.08, 969,701.55 and 380,393.09
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Solution
The fourth proportional to 702,683.08, 969,701.55 and 380,393.09 is: 524,941.87
Step by Step Solution
- Step 1: Write the proportion equation
702,683.08 : 969,701.55 = 380,393.09 : x - Step 2: Convert to fraction form
702,683.08/969,701.55 = 380,393.09/x - Step 3: Cross multiply
702,683.08x = 969,701.55 × 380,393.09 - Step 4: Simplify right side
702,683.08x = 368,867,768,982.29 - Step 5: Solve for x
x = 368,867,768,982.29/702,683.08 - Step 6: Final answer
x = 524,941.87
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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.