Finding the Fourth Proportional to 556,324.18, 834,636.06 and 286,305.22
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Solution
The fourth proportional to 556,324.18, 834,636.06 and 286,305.22 is: 429,534.92
Step by Step Solution
- Step 1: Write the proportion equation
556,324.18 : 834,636.06 = 286,305.22 : x - Step 2: Convert to fraction form
556,324.18/834,636.06 = 286,305.22/x - Step 3: Cross multiply
556,324.18x = 834,636.06 × 286,305.22 - Step 4: Simplify right side
556,324.18x = 238,960,660,778.23 - Step 5: Solve for x
x = 238,960,660,778.23/556,324.18 - Step 6: Final answer
x = 429,534.92
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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.