Finding the Fourth Proportional to 654,610.70, 903,354.14 and 368,130.70
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Solution
The fourth proportional to 654,610.70, 903,354.14 and 368,130.70 is: 508,015.52
Step by Step Solution
- Step 1: Write the proportion equation
654,610.70 : 903,354.14 = 368,130.70 : x - Step 2: Convert to fraction form
654,610.70/903,354.14 = 368,130.70/x - Step 3: Cross multiply
654,610.70x = 903,354.14 × 368,130.70 - Step 4: Simplify right side
654,610.70x = 332,552,391,906.10 - Step 5: Solve for x
x = 332,552,391,906.10/654,610.70 - Step 6: Final answer
x = 508,015.52
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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.