Finding the Fourth Proportional to 968,213.10, 1,336,134.09 and 532,636.50
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Solution
The fourth proportional to 968,213.10, 1,336,134.09 and 532,636.50 is: 735,038.38
Step by Step Solution
- Step 1: Write the proportion equation
968,213.10 : 1,336,134.09 = 532,636.50 : x - Step 2: Convert to fraction form
968,213.10/1,336,134.09 = 532,636.50/x - Step 3: Cross multiply
968,213.10x = 1,336,134.09 × 532,636.50 - Step 4: Simplify right side
968,213.10x = 711,673,785,228.29 - Step 5: Solve for x
x = 711,673,785,228.29/968,213.10 - Step 6: Final answer
x = 735,038.38
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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.