Finding the Fourth Proportional to 676,980.36, 934,212.48 and 371,050.08
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Solution
The fourth proportional to 676,980.36, 934,212.48 and 371,050.08 is: 512,037.92
Step by Step Solution
- Step 1: Write the proportion equation
676,980.36 : 934,212.48 = 371,050.08 : x - Step 2: Convert to fraction form
676,980.36/934,212.48 = 371,050.08/x - Step 3: Cross multiply
676,980.36x = 934,212.48 × 371,050.08 - Step 4: Simplify right side
676,980.36x = 346,639,615,441.00 - Step 5: Solve for x
x = 346,639,615,441.00/676,980.36 - Step 6: Final answer
x = 512,037.92
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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.